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%I #6 Mar 30 2012 18:35:15
%S 3,5,7,11,13,17,19,23,29,31,37,41,43,47,59,67,83,89,97,103,109,131,
%T 137,179,199,233,373,1049,1097,1223,1433,2293
%N Smallest nonempty set S containing prime divisors of 8k+1 for each k in S.
%K nonn,fini,full
%O 1,1
%A _David W. Wilson_