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 A187348 #5 Mar 30 2012 18:57:19 %S A187348 2,4,6,8,11,12,15,17,19,21,24,26,27,30,33,34,36,38,41,43,45,47,49,52, %T A187348 54,56,58,60,62,64,67,69,71,73,76,77,80,82,84,86,88,91,92,95,97,99, %U A187348 101,104,105,108,110,112,114,117,119,120,123,125,127,129,132,134,136 %N A187348 Complement of A187347. %C A187348 See A187224. %t A187348 (See A187347.) %Y A187348 Cf. A187224, A187347. %K A187348 nonn %O A187348 1,1 %A A187348 _Clark Kimberling_, Mar 08 2011