a(n) = the minimal K value for the orderly number A167408(n).
2, 3, 3, 5, 5, 7, 3, 7, 11, 3, 17, 7, 3, 5, 3, 29, 5, 5, 3, 41, 3, 7, 3, 5, 5, 3, 59, 5, 7, 3, 13
2 seqfan posts
Fri Nov 6 07:31:56 CET 2009 [seqfan] Re: Orderly Numbers (and related sequences) submitted