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 A155007 #2 Mar 31 2012 12:38:19 %S A155007 7,17,37,113,157,227,283,293,313,347,443,587,787,883,1063,1097,1237, %T A155007 1303,1327,1427,1567,1723,1933,1973,2087,2347,2467,2687,2777,3457, %U A155007 3593,4447,4703,4793,4967,5737,5827,6317,6607,6793,6857,8297,8563,8803,9433 %N A155007 Primes p such that (p-3)*(p+3)-+3*p are primes. %C A155007 4*10-3*7=19, 4*10+3*7=61, ... %t A155007 lst={};Do[p=Prime[n];If[PrimeQ[(p-3)*(p+3)-3*p]&&PrimeQ[(p-3)*(p+3)+3*p],AppendTo[lst,p]],{n,7!}];lst %Y A155007 Cf. A125272, A053184, A038872, A141158, A038615, A098058, A038936, A089270, A140559, A154939, A155006 %K A155007 nonn %O A155007 1,1 %A A155007 _Vladimir Joseph Stephan Orlovsky_, Jan 18 2009