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 A268394 #7 Feb 07 2016 20:15:10 %S A268394 1,3,7,16,35,74,152,313,638,1287,2597,5233,10512,21077,42237,84565, %T A268394 169285,338636,677457 %N A268394 Record values in permutation A267107. %F A268394 a(n) = A267107(A268393(n)). %o A268394 (Scheme) (define (A268394 n) (A267107 (A268393 n))) %Y A268394 Cf. A267107, A268393. %K A268394 nonn,more %O A268394 1,2 %A A268394 _Antti Karttunen_, Feb 06 2016