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 A166268 #3 Mar 31 2012 13:21:20 %S A166268 1,3,4,5,5,5,7,2,9,7,6,11,8,10,1,9,14,10,15,7,7,14,14,16,8,13,13,12, %T A166268 18,14,13,15,0,16,9,0,22,16,19,16,11,17,16,23,19,9,22,18,16,2,18,27, %U A166268 12,23,11,15,24,4,27,9,23,23,20,0,19,15,22,24,22,17,18,28,26,27,17,12 %N A166268 Bisection 2n of A166050. %C A166268 Conjecture: a(n) = A166270(n)/2, and also A165605(A005843(n)). %H A166268 A. Karttunen, <a href="/A166268/b166268.txt">Table of n, a(n) for n = 0..16383</a> %Y A166268 a(n) = A166050(A005843(n)). %K A166268 nonn %O A166268 0,2 %A A166268 _Antti Karttunen_, Oct 13 2009