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 A126004 #4 Mar 31 2012 13:21:13 %S A126004 1,4,5,9,12,13,17,20,21,25,28,29,65,68,69,73,76,77,81,84,85,89,92,93, %T A126004 129,132,133,137,140,141,145,148,149,153,156,157,193,196,197,201,204, %U A126004 205,209,212,213,217,220,221,256,257,260,261,264,265,268,269,272,273 %N A126004 A106486-encodings of combinatorial games whose value is greater than zero. %C A126004 In these games, the left can always win. %H A126004 A. Karttunen, <a href="/A126000/a126000.scm.txt">Scheme-program for computing this sequence.</a> %Y A126004 Intersection of complement of A126002 and A126001. Cf. A125991, A126001-A126003. %K A126004 nonn %O A126004 1,2 %A A126004 _Antti Karttunen_, Dec 18 2006