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A020604 Smallest nonempty set S containing prime divisors of 6k+7 for each k in S. 0

%I #6 Mar 30 2012 18:35:14

%S 5,11,13,17,19,23,29,37,53,59,67,71,73,89,101,107,109,137,149,181,191,

%T 229,241,269,277,293,349,353,409,421,433,521,541,613,661,829,911,1093,

%U 1153,1319,1381,1453,1621,1669,2417,3253,8293,9733,11681

%N Smallest nonempty set S containing prime divisors of 6k+7 for each k in S.

%K nonn,fini,full

%O 1,1

%A _David W. Wilson_

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Last modified April 24 20:06 EDT 2024. Contains 371963 sequences. (Running on oeis4.)