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 A253568 #6 Jan 04 2015 22:57:06 %S A253568 2,3,6,5,12,10,24,7,15,20,48,14,96,40,30,11,192,21,384,28,60,80,768, %T A253568 22,45,160,35,56,1536,42,3072,13,120,320,90,33,6144,640,240,44,12288, %U A253568 84,24576,112,70,1280,49152,26,135,63,480,224,98304,55,180,88,960,2560,196608,66,393216,5120,140,17,360,168,786432,448,1920,126,1572864,39 %N A253568 Even bisection of A122111: a(n) = A122111(2*n). %H A253568 Antti Karttunen, <a href="/A253568/b253568.txt">Table of n, a(n) for n = 1..1024</a> %F A253568 a(n) = A122111(2*n). %F A253568 Other identities. For all n >= 1: %F A253568 A244982(n) = A243285(a(n)). %o A253568 (Scheme) (define (A253568 n) (A122111 (* 2 n))) %Y A253568 Even bisection of A122111. %Y A253568 Topmost row of A253561. %Y A253568 Permutation of A102750. %Y A253568 Cf. A243285, A244982. %K A253568 nonn %O A253568 1,1 %A A253568 _Antti Karttunen_, Jan 04 2015