This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A154547 #2 Mar 31 2012 12:38:19
%S A154547 902501,10824101,19096901,26832401,40322501,166926401,255360401,
%T A154547 309760001,335622401,338928101,404814401,412090001,430562501,
%U A154547 441840401,651270401,702780101,885062501,1006792901,1029768101,1160764901
%N A154547 Sophie Germain primes of A154276.
%t A154547 lst={};Do[If[PrimeQ[p=81*n^2-72*n+17],If[PrimeQ[2*p+1],AppendTo[lst,p]]],{n,8!}];lst
%Y A154547 Cf. A154276, A154546
%K A154547 nonn
%O A154547 1,1
%A A154547 _Vladimir Joseph Stephan Orlovsky_, Jan 11 2009