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 A291768 #5 Sep 11 2017 12:05:38 %S A291768 2,4,5,6,5,8,5,10,8,8,5,11,5,8,13,14,5,15,5,11,13,8,5,17,8,8,11,11,5, %T A291768 18,5,19,13,8,13,20,5,8,13,17,5,18,5,11,18,8,5,22,8,15,13,11,5,20,13, %U A291768 17,13,8,5,24,5,8,18,25,13,18,5,11,13,18,5,27,5,8,18,11,13,18,5,22,17,8,5,24,13,8,13,17,5,28,13,11,13,8,13,29,5,15,18,20,5 %N A291768 Even bisection of A291761. %H A291768 Antti Karttunen, <a href="/A291768/b291768.txt">Table of n, a(n) for n = 1..16385</a> %F A291768 a(n) = A291761(2n). %o A291768 (Scheme) (define (A291768 n) (A291761 (* 2 n))) %Y A291768 Cf. A291761, A291767. %K A291768 nonn %O A291768 1,1 %A A291768 _Antti Karttunen_, Sep 11 2017