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 A249143 #10 Oct 25 2014 14:47:42 %S A249143 1,1,2,1,1,3,1,3,1,2,2,2,1,1,2,3,2,3,1,1,1,1,5,1,5,1,2,2,1,1,1,1,1,1, %T A249143 2,1,1,1,1,6,1,6,1,2,1,1,1,2,5,2,1,4,2,1,3,1,2,2,2,1,2,1,1,2,4,1,1,2, %U A249143 1,3,3,3,1,2,1,1,7,1,7,1,2,1,1,1,2,1,4,1,1,1,1,1,5,1,1,1,1,1,1,6,2,2,4,2,1,1,1,4,2,1,1,1,1,1,5,1,1,1,2,1,3,3,3,1,1,2,2,1 %N A249143 Length of the rightmost run in the binary representation of A241944: a(n) = A136480(A249144(n)). %H A249143 Antti Karttunen, <a href="/A249143/b249143.txt">Table of n, a(n) for n = 1..10000</a> %F A249143 a(n) = A136480(A249144(n)). %o A249143 (Scheme) (define (A249143 n) (A136480 (A249144 n))) %Y A249143 Cf. A136480, A249144, A249145. %K A249143 nonn,base %O A249143 1,3 %A A249143 _Antti Karttunen_, Oct 24 2014