a(n) = least k such that the remainder when 26^k is divided by k is n.
5, 3, 23, 6, 7, 10, 19, 9, 17, 18, 15, 92, 18881, 319, 36091, 20, 203, 94, 49, 21, 42395
1 seqfan posts
Tue Aug 11 01:35:14 CEST 2009 [seqfan] Re: Dead b-files for A127816 and others