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 A065268 #2 May 01 2014 02:42:46 %S A065268 1,1,5,2,11,11,4,4,23,23,23,23,8,8,8,8,47,47,47,47,47,47,47,47,16,16, %T A065268 16,16,16,16,16,16,95,95,95,95,95,95,95,95,95,95,95,95,95,95,95,95,32, %U A065268 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,191,191,191,191,191,191 %N A065268 The bisection of odd terms (the <= 0 half of Z) of A065267. %K A065268 nonn %O A065268 1,3 %A A065268 _Antti Karttunen_, Oct 28 2001