Empirical for n mod 24 = 0: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (134974283/125664)*n + 77609 for n>27
Empirical for n mod 24 = 1: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (193137020659443431/17788714352640)*n + (508166068024133/2717908992) for n>27
Empirical for n mod 24 = 2: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (4934315655869/868589568)*n + (123241640615/884736) for n>27
Empirical for n mod 24 = 3: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (3240954882610267/658841272320)*n + (1035654629429/33554432) for n>27
Empirical for n mod 24 = 4: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (3652515689/3392928)*n + (26047927/324) for n>27
Empirical for n mod 24 = 5: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (193181602252203751/17788714352640)*n + (170930672079127/905969664) for n>27
Empirical for n mod 24 = 6: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (182790161927/32169984)*n + (4442134629/32768) for n>27
Empirical for n mod 24 = 7: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (87522472476042649/17788714352640)*n + (93369282730181/2717908992) for n>27
Empirical for n mod 24 = 8: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (3648285001/3392928)*n + (2152000/27) for n>27
Empirical for n mod 24 = 9: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (7153841159444773/658841272320)*n + (6198394641077/33554432) for n>27
Empirical for n mod 24 = 10: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (4933232599741/868589568)*n + (374153156597/2654208) for n>27
Empirical for n mod 24 = 11: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (87477890883282329/17788714352640)*n + (25942329089431/905969664) for n>27
Empirical for n mod 24 = 12: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (134974283/125664)*n + (306527/4) for n>27
Empirical for n mod 24 = 13: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (193137020659443431/17788714352640)*n + (524949156049733/2717908992) for n>27
Empirical for n mod 24 = 14: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (4934315655869/868589568)*n + (121790894759/884736) for n>27
Empirical for n mod 24 = 15: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (3240954882610267/658841272320)*n + (1077446674485/33554432) for n>27
Empirical for n mod 24 = 16: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (3652515689/3392928)*n + (6591139/81) for n>27
Empirical for n mod 24 = 17: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (193181602252203751/17788714352640)*n + (165336309403927/905969664) for n>27
Empirical for n mod 24 = 18: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (182790161927/32169984)*n + (4495865957/32768) for n>27
Empirical for n mod 24 = 19: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (87522472476042649/17788714352640)*n + (89984127080645/2717908992) for n>27
Empirical for n mod 24 = 20: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (177271436354263/2324754432000)*n^4 + (19993410219499/48432384000)*n^3 - (1020890235881/269068800)*n^2 + (3648285001/3392928)*n + (8502457/108) for n>27
Empirical for n mod 24 = 21: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327857612851309/297568567296000)*n^5 + (45491632988062453/595137134592000)*n^4 + (53348109598662811/132252696576000)*n^3 - (86970528509724049/26450539315200)*n^2 - (7153841159444773/658841272320)*n + (6405593258677/33554432) for n>27
Empirical for n mod 24 = 22: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (5186968908389/1162377216000)*n^5 + (1421003295434729/18598035456000)*n^4 + (633367571508593/1549836288000)*n^3 - (119245867251493/34440806400)*n^2 - (4933232599741/868589568)*n + (369800919029/2654208) for n>27
Empirical for n mod 24 = 23: a(n) = (1/364223926370304000)*n^17 + (17/21424936845312000)*n^16 + (557/5356234211328000)*n^15 + (1877/214249368453120)*n^14 + (29639/58859716608000)*n^13 + (589033/29429858304000)*n^12 + (477506951/824036032512000)*n^11 + (153356417/14982473318400)*n^10 + (901351973/9364045824000)*n^9 + (9830079233/37456183296000)*n^8 - (110658712589/3678732288000)*n^7 + (184401731557/367873228800)*n^6 - (1327874639861309/297568567296000)*n^5 + (45343206650002453/595137134592000)*n^4 + (55245595220694811/132252696576000)*n^3 - (104961714333535249/26450539315200)*n^2 + (87477890883282329/17788714352640)*n + (27070714305943/905969664) for n>27