Omega(n!+1), where omega is the number of distinct primes dividing n, A001221.
1, 1, 1, 1, 1, 2, 1, 2, 3, 2, 1, 2, 2, 2, 3, 5, 3, 6, 2, 2, 3, 3, 3, 2, 2, 2, 1, 2, 3, 5, 4, 4, 5, 2
1 seqfan posts
Fri Nov 21 20:09:26 CET 2008 [seqfan] Re: Question about A064237 Numbers n such that n! + 1 is divisible by a square.