a(1)=0, a(2)=1. For n >=3, a(n) = the smallest integer > a(n-1) that is coprime to every sum of any two distinct earlier terms of this sequence.
0, 1, 2, 5, 11, 17, 23, 29, 37, 41, 47, 53, 59, 67, 71, 79, 83, 89, 97, 101, 107, 113, 127
2 seqfan posts
Mon Aug 31 22:22:41 CEST 2009 [seqfan] Re: Coprime To Sums