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 A215934 #7 Aug 28 2012 18:24:40 %S A215934 0,1,3,2,3,7,6,8,11,6,10,16,14,14,18,18,18,25,27,24,28,27,34,31,32,44, %T A215934 44,36,43,58,49,51,65,53,53,68,84,60,69,80,70,74,80,87,89,79,93,99,76, %U A215934 98,125,101,108,143,118,115,126,147,121,138,160,140,147,140 %N A215934 A bisection of A183168. %Y A215934 Cf. A183168, A215933. %K A215934 nonn %O A215934 0,3 %A A215934 _N. J. A. Sloane_, Aug 27 2012