Search: id:A023211
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%I A023211
%S A023211 3,7,11,17,19,23,29,31,43,47,61,67,71,73,89,101,107,109,113,137,149,151,
%T A023211 163,179,197,199,211,227,233,239,241,271,281,283,337,347,353,359,373,397,
%U A023211 401,409,431,439,457,463,479,487,491,523,563,571,577,593,607,617,619,641
%N A023211 Numbers n such that n and 3n + 10 both prime.
%t A023211 f[n_]:=PrimeQ[(n+2)*3+4]; lst={};Do[p=Prime[n];If[f[p],AppendTo[lst,p]],
               {n,6!}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 
               12 2009]
%Y A023211 Sequence in context: A118000 A121640 A112786 this_sequence A038981 A065376 
               A130090
%Y A023211 Adjacent sequences: A023208 A023209 A023210 this_sequence A023212 A023213 
               A023214
%K A023211 nonn
%O A023211 1,1
%A A023211 David W. Wilson (davidwwilson(AT)comcast.net)

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