Number of solutions to x^n == 1 (mod n!).

Terms

a(0) =1a(1) =1a(2) =1a(3) =8a(4) =1a(5) =48a(6) =1a(7) =256a(8) =27a(9) =160a(10) =1a(11) =2304a(12) =1a(13) =896a(14) =675a(15) =4096a(16) =1a(17) =20736a(18) =1a(19) =204800a(20) =567a(21) =5632a(22) =1a(23) =5308416a(24) =125a(25) =13312a(26) =2187a(27) =114688a(28) =1a(29) =4147200