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 A265364 #6 Dec 13 2015 07:52:53 %S A265364 0,1,2,3,4,7,6,5,16,9,10,11,12,13,22,21,8,25,18,19,20,15,46,49,48,17, %T A265364 52,27,28,29,30,31,34,33,14,43,36,37,38,39,40,67,66,23,70,63,64,65,24, %U A265364 73,76,75,26,79,54,55,56,57,58,61,60,47,142,45,136,137,138,139,148,147,50,151,144,145,146,51,154,157,156,53,160,81 %N A265364 Permutation of nonnegative integers: a(n) = A263273(A264974(n)). %C A265364 Composition of A263273 with the permutation obtained from its quadrisection. %H A265364 Antti Karttunen, <a href="/A265364/b265364.txt">Table of n, a(n) for n = 0..6561</a> %H A265364 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A265364 a(n) = A263273(A264974(n)). %F A265364 Other identities. For all n >= 0: %F A265364 a(3*n) = 3*a(n). %o A265364 (Scheme) (define (A265364 n) (A263273 (A264974 n))) %Y A265364 Inverse: A265363. %Y A265364 Cf. A263273, A264974. %Y A265364 Cf. also A265344, A265366. %K A265364 nonn,base %O A265364 0,3 %A A265364 _Antti Karttunen_, Dec 07 2015