%I A126107
%S A126107 2,5,29,53,89,113,173,509,659,743,809,1013,1499,1559,1583,1733,2063,
%T A126107 2129,2273,2393,2399,2549,2819,2939,3329,3389,3413,3779,4409,5003,5849,
%U A126107 6053,6269,7193,7433,7643,7823,8069,8093,8513,8693,9029,9059,9539,9689
%N A126107 Primes p such that 2p+1 and 2p+3 are twin primes.
%e A126107 a(2)=5 because 2*5+1=11 and 2*5+3=13 are twin primes.
%t A126107 Do[p = Prime[ i]; If[PrimeQ[2p + 1] && PrimeQ[2p + 3], Print[p]], {i, 
               1, 10000}] - Michael Taktikos (michael.taktikos(AT)hanse.net), Apr 
               01 2007
%Y A126107 Cf. A128436 = primes p such that 2p-3 and 2p-1 are twin primes.
%Y A126107 Sequence in context: A103579 A161500 A061351 this_sequence A083472 A057794 
               A073715
%Y A126107 Adjacent sequences: A126104 A126105 A126106 this_sequence A126108 A126109 
               A126110
%K A126107 nonn
%O A126107 1,1
%A A126107 Zak Seidov (zakseidov(AT)gmail.com), Mar 05 2007