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 A155843 #2 Mar 31 2012 12:38:20
%S A155843 191,536871173,2199023255921,10384593717069655257060992658441209
%N A155843 Primes of the form q*p+2^p where p is prime, q=9.
%t A155843 lst={};Do[p=Prime[n];If[PrimeQ[p=9*p+2^p],AppendTo[lst,p]],{n,5!}];lst
%Y A155843 Cf. A057664, A155841, A155842
%K A155843 nonn
%O A155843 1,1
%A A155843 _Vladimir Joseph Stephan Orlovsky_, Jan 28 2009