Empirical for n mod 24 = 0: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (128333/24)*n + 56757 for n>12
Empirical for n mod 24 = 1: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (376687/72)*n + (500232401/6912) for n>12
Empirical for n mod 24 = 2: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (380587/72)*n + (24307969/432) for n>12
Empirical for n mod 24 = 3: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (125285/24)*n + (15932355/256) for n>12
Empirical for n mod 24 = 4: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (385831/72)*n + (1912466/27) for n>12
Empirical for n mod 24 = 5: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (370735/72)*n + (385113745/6912) for n>12
Empirical for n mod 24 = 6: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (128333/24)*n + (1031003/16) for n>12
Empirical for n mod 24 = 7: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (376687/72)*n + (471837905/6912) for n>12
Empirical for n mod 24 = 8: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (380587/72)*n + (1430575/27) for n>12
Empirical for n mod 24 = 9: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (125285/24)*n + (17045379/256) for n>12
Empirical for n mod 24 = 10: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (385831/72)*n + (27969953/432) for n>12
Empirical for n mod 24 = 11: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (370735/72)*n + (409948561/6912) for n>12
Empirical for n mod 24 = 12: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (128333/24)*n + 66128 for n>12
Empirical for n mod 24 = 13: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (376687/72)*n + (445345937/6912) for n>12
Empirical for n mod 24 = 14: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (380587/72)*n + (26207257/432) for n>12
Empirical for n mod 24 = 15: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (125285/24)*n + (15993731/256) for n>12
Empirical for n mod 24 = 16: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (385831/72)*n + (1659449/27) for n>12
Empirical for n mod 24 = 17: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (370735/72)*n + (440000209/6912) for n>12
Empirical for n mod 24 = 18: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (128333/24)*n + (960659/16) for n>12
Empirical for n mod 24 = 19: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (376687/72)*n + (470180753/6912) for n>12
Empirical for n mod 24 = 20: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (380587/72)*n + (1683592/27) for n>12
Empirical for n mod 24 = 21: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (125285/24)*n + (15012547/256) for n>12
Empirical for n mod 24 = 22: a(n) = (3/256)*n^4 + (539/216)*n^3 + (16285/96)*n^2 + (385831/72)*n + (29869241/432) for n>12
Empirical for n mod 24 = 23: a(n) = (3/256)*n^4 + (539/216)*n^3 + (68407/384)*n^2 + (370735/72)*n + (411605713/6912) for n>12