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 A070774 #3 Oct 15 2013 22:31:19 %S A070774 23,27,41,47,65,73,75,77,79,85,89,101,103,113,119,125,155,159,161,165, %T A070774 169,175,179,183,215,217,221,233,249,253,257,263,265,275,289,291,297, %U A070774 299,311,329,339,341,345,347,349,353,359,363,367,375,377,379,385,395 %N A070774 Odd numbers n such that p(2m)-2p(m)=n has no solution (p(m) = m-th prime). %Y A070774 Cf. A066066, A022457, A070773, A069890. %K A070774 nonn %O A070774 1,1 %A A070774 _Labos Elemer_, May 06 2002