Search: id:A125272
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%I A125272
%S A125272 3,5,7,13,23,37,43,103,127,163,167,257,293,313,337,433,523,757,797,887,
%T A125272 953,1013,1063,1153,1283,1303,1307,1483,1597,1657,1667,1693,1723,1783,
%U A125272 1913,2003,2333,2347,2557,2897,2927,3067,3533,3823,3943,4003,4013,4093
%N A125272 Primes p such that 3p -/+ 2 are primes.
%F A125272 a(n)= A125215(n)/3
%t A125272 lst={}; Do[p=Prime[n]; If[PrimeQ[3*p-2]&&PrimeQ[3*p+2],AppendTo[lst,p]],
               {n,7!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 
               18 2009]
%Y A125272 Intersection of A023208 and A088878.
%Y A125272 Cf. A125215.
%Y A125272 Sequence in context: A107664 A085013 A164939 this_sequence A127443 A003229 
               A077949
%Y A125272 Adjacent sequences: A125269 A125270 A125271 this_sequence A125273 A125274 
               A125275
%K A125272 nonn
%O A125272 1,1
%A A125272 Zak Seidov (zakseidov(AT)gmail.com), Nov 26 2006

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