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 A250479 #5 Dec 13 2014 00:41:12 %S A250479 1,1,2,1,3,2,5,1,4,3,7,2,11,5,6,1,13,4,17,3,10,7,19,2,9,11,8,5,23,6, %T A250479 29,1,14,13,15,4,31,17,22,3,37,10,41,7,12,19,43,2,25,9,26,11,47,8,27, %U A250479 5,34,23,53,6,59,29,20,1,39,14,61,13,38,15,67,4,71,31,18,17,35,22,73,3,16,37,79,10,63,41,46,7,83,12,65,19,58,43,75,2,89,25,28,9,97,26,101 %N A250479 Even bisection of A250470: a(n) = A250470(2n). %H A250479 Antti Karttunen, <a href="/A250479/b250479.txt">Table of n, a(n) for n = 1..4096</a> %F A250479 a(n) = A250470(2*n). %o A250479 (Scheme) (define (A250479 n) (A250470 (+ n n))) %Y A250479 Cf. A250470, A250472 (the other bisection). %Y A250479 Differs from A064989 for the first time at n=55, where a(55) = 27, while A064989(55) = 21. %K A250479 nonn %O A250479 1,3 %A A250479 _Antti Karttunen_, Dec 08 2014