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 A249428 #6 Nov 02 2014 18:14:01 %S A249428 1,2,4,6,10,11,12,16,18,22,28,30,36,40,42,46,52,58,60,66,70,72,78,82, %T A249428 88,96,100,102,106,108,112,126,130,136,138,148,150,156,162,166,172, %U A249428 178,180,190,192,196,198,210,222,226,228,232,238,240,250,256,262,268,270,276,280,282,292,306,310,312,316,330,336,346,348 %N A249428 Numbers n such that A249151(2n+1) = n. %C A249428 Seems to be A006093 with at least one additional term, 11 at a(6). %H A249428 Antti Karttunen, <a href="/A249428/b249428.txt">Table of n, a(n) for n = 1..310</a> %F A249428 a(n) = A249151(A249424(n)). %o A249428 (Scheme) (define (A249428 n) (A249151 (A249424 n))) %Y A249428 Cf. A006093 (seems to be a subsequence). %Y A249428 Cf. also A056077, A249151, A249424. %K A249428 nonn %O A249428 1,2 %A A249428 _Antti Karttunen_, Oct 28 2014