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 A187475 #5 Mar 30 2012 18:57:19 %S A187475 2,5,7,10,12,14,17,20,23,24,27,29,32,34,37,39,42,45,47,49,52,54,57,59, %T A187475 61,64,66,69,71,74,76,79,82,83,86,89,92,94,96,99,101,104,106,108,111, %U A187475 114,116,118,120,124,126,129,130,133,135,138,141,143,145,148,151 %N A187475 Complement of A187474. %C A187475 See A187224. %t A187475 (See A187474.) %Y A187475 Cf. A187224, A187474. %K A187475 nonn %O A187475 1,1 %A A187475 _Clark Kimberling_, Mar 10 2011