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 A265366 #6 Dec 13 2015 07:53:08 %S A265366 0,1,2,3,8,7,6,5,4,9,10,25,24,26,22,21,23,19,18,55,20,15,17,16,12,14, %T A265366 13,27,28,11,30,77,76,75,74,73,72,217,79,78,80,67,66,68,64,63,190,65, %U A265366 69,71,70,57,59,58,54,163,56,165,62,61,60,47,46,45,136,52,51,53,49,48,50,37,36,109,38,42,44,43,39,41,40,81 %N A265366 Permutation of nonnegative integers: a(n) = A263273(A264978(n)). %C A265366 Composition of A263273 with the permutation obtained from its octisection. %H A265366 Antti Karttunen, <a href="/A265366/b265366.txt">Table of n, a(n) for n = 0..6561</a> %H A265366 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A265366 a(n) = A263273(A264978(n)). %F A265366 Other identities. For all n >= 0: %F A265366 a(3*n) = 3*a(n). %o A265366 (Scheme) (define (A265366 n) (A263273 (A264978 n))) %Y A265366 Inverse: A265365. %Y A265366 Cf. A263273, A264978. %Y A265366 Cf. also A265364. %K A265366 nonn,base %O A265366 0,3 %A A265366 _Antti Karttunen_, Dec 07 2015