%I #6 Mar 30 2012 18:35:15
%S 3,5,7,11,13,17,23,41,43,53,71,79,83,127,131,151,239,251,383,691,719,
%T 1151
%N Smallest nonempty set S containing prime divisors of 9k+6 for each k in S.
%K nonn,fini,full
%O 1,1
%A _David W. Wilson_