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 A155847 #3 Mar 31 2012 12:38:20
%S A155847 -13,-3,79,8101
%N A155847 Primes of the form 2^p-p*q where p is prime,q=7.
%t A155847 q=7;lst={};Do[p=Prime[n];If[PrimeQ[p=2^p-p*q],AppendTo[lst,p]],{n,5!}];lst
%Y A155847 Cf. A057664, A155841, A155842, A155843, A155844, A057678, A155845, A155846
%K A155847 sign
%O A155847 1,1
%A A155847 _Vladimir Joseph Stephan Orlovsky_, Jan 28 2009