A092377 - OEIS

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A092377 as a simple table

n	a(n)
10	1
11	1
12	956385
13	3660540
14	3447133563336
15	47425519612650
16	68120063087909550454
17	3225625946195290369800
18	8591036125440276726886638297
19	1356789922392932853852561183624
20	7479333946536834590456926740361593541

[1,1,956385,3660540,3447133563336,47425519612650, 68120063087909550454,3225625946195290369800, 8591036125440276726886638297, 1356789922392932853852561183624, 7479333946536834590456926740361593541]