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 A174955 #2 Mar 31 2012 12:38:35 %S A174955 5,11,1061,2111,3371,3851,5867,9461,12251,21491,22037,22481,24917, %T A174955 26681,28277,32141,42641,43607,48731,56477,59417,59627,67271,67757, %U A174955 70487,77417,86531,87221,91127,104147,113621,115151,116687,119291,121577 %N A174955 Lesser of twin primes p1 such that p1*p2+-6 are prime numbers. %C A174955 5*7=35+-6 -> primes,.. %t A174955 lst={};Do[p1=Prime[n];p2=p1+2;If[PrimeQ[p2]&&PrimeQ[p1*p2+6]&&PrimeQ[p1*p2-6],(*Print[p1];*)AppendTo[lst,p1]],{n,8!}];lst %Y A174955 Cf. A001359, A174913, A174915, A174916, A174917, A174920, A174922 %K A174955 nonn %O A174955 1,1 %A A174955 _Vladimir Joseph Stephan Orlovsky_, Apr 02 2010