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 A175632 #2 Mar 30 2012 18:52:40 %S A175632 1,3,2,2,1,2,1,2,1,1,2,1,2,1,1,1,1,2,2,1,1,1,2,2,1,1,1,1,2,2,2,1,1,2, %T A175632 1,2,1,1,1,2,1,2,1,1,2,1,1,1,2,1,1,1,1,1,1,1,1,1,1,2,2,1,1,1,1,2,1,1, %U A175632 1,1,1,1,1,2,1,1,1,1,2,1,1,1,2,1,1,2,1,2,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1 %N A175632 Maximal run length of primes of the form A025584(n), A025584(n)+2, A025584(n)+4, ... %e A175632 a(1)=1 because A025584(1)=2=prime; a(2)=3 because A025584(2)=3=prime, A025584(2)+2=5=prime, A025584(2)+4=7=prime; a(3)=2 because A025584(3)=11=prime, A025584(3)+2=13=prime; a(4)=2 because A025584(4)=17=prime, A025584(4)+2=19=prime. %K A175632 nonn %O A175632 1,2 %A A175632 Vladislav-Stepan Malakovsky & _Juri-Stepan Gerasimov_, Jul 31 2010