%I #11 Feb 17 2013 03:57:17
%S 7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,97,101,
%T 103,107,109,113,127,139,149,151,163,179,181,191,193,211,223,227,257,
%U 271,311,313,379,383,397,433,443,449,463,487,541,571,601,613,641,757
%N Smallest nonempty set S containing prime divisors of 9k+10 for each k in S.
%H Nathaniel Johnston, <a href="/A020631/b020631.txt">Table of n, a(n) for n = 1..117</a> (full sequence)
%K nonn,fini,full
%O 1,1
%A _David W. Wilson_
