Smallest k such that x^k is (+1 or -1) mod p for all nonzero x relatively prime to p, where p=prime(n)=A000040(n).
1, 2, 2, 3, 5, 6, 8, 9, 11, 14, 1
1 seqfan posts
Wed Aug 18 20:41:17 CEST 2010 [seqfan] Re: A135282: We can go ahead and change "seems" to "is known"