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 A215032 #6 Aug 05 2012 15:21:33 %S A215032 4,10,16,22,38,44,54,58,64,72,82,92,96,108,116,120,124,132,136,142, %T A215032 146,152,156,166,176,182,186,190,196,202,206,210,226,232,252,256,266, %U A215032 272,276,294,298,302,306,318,322,326,330,340,344,350,360,364,374,378,386,398,410,414,418,424,428,434,438,446,458,464,480,484,492,496,504,508,542,546,560 %N A215032 Numbers n such that A215029(n) = -1. %C A215032 All terms are composite. %H A215032 StackExchange, <a href="http://math.stackexchange.com/questions/176394/a-prime-number-pattern">A prime number pattern</a>, Jul 29 2012. %Y A215032 Cf. A215029-A215035. %K A215032 nonn %O A215032 1,1 %A A215032 _N. J. A. Sloane_, Aug 05 2012