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 A318654 #7 Sep 01 2018 22:28:03 %S A318654 2,4,8,16,24,32,40,56,64,88,96,104,128,136,152,160,184,192,224,232, %T A318654 248,256,296,320,328,344,352,376,384,416,424,448,472,488,512,536,544, %U A318654 568,584,608,632,640,664,704,712,736,776,808,824,832,856,872,896,904,928,992,1016,1024,1048,1088,1096,1112,1184,1192,1208,1216,1256,1304 %N A318654 Positions of even terms in A318649. %C A318654 Positions of nonzero terms in A318655. %C A318654 It appears that these are also the positions of even terms in A318511. %H A318654 Antti Karttunen, <a href="/A318654/b318654.txt">Table of n, a(n) for n = 1..21123</a> %Y A318654 Cf. A318511, A318512, A318649, A318652, A318655. %K A318654 nonn %O A318654 1,1 %A A318654 _Antti Karttunen_, Sep 01 2018