%I #2 Mar 31 2012 12:38:19
%S 902501,10824101,19096901,26832401,40322501,166926401,255360401,
%T 309760001,335622401,338928101,404814401,412090001,430562501,
%U 441840401,651270401,702780101,885062501,1006792901,1029768101,1160764901
%N Sophie Germain primes of A154276.
%t lst={};Do[If[PrimeQ[p=81*n^2-72*n+17],If[PrimeQ[2*p+1],AppendTo[lst,p]]],{n,8!}];lst
%Y Cf. A154276, A154546
%K nonn
%O 1,1
%A _Vladimir Joseph Stephan Orlovsky_, Jan 11 2009