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 A065292 #2 May 01 2014 02:42:47 %S A065292 1,1,5,2,10,12,4,4,20,22,24,26,8,8,8,8,40,42,44,46,48,50,52,54,16,16, %T A065292 16,16,16,16,16,16,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108, %U A065292 110,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,160,162,164,166 %N A065292 The bisection of odd terms (the <= 0 half of Z) of A065291. %K A065292 nonn %O A065292 1,3 %A A065292 _Antti Karttunen_, Oct 28 2001