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 A245446 #6 Jul 22 2014 16:01:36 %S A245446 0,1,3,2,6,4,5,7,9,14,12,11,10,13,15,8,24,16,23,31,29,21,18,26,27,19, %T A245446 20,28,30,22,17,25,43,50,58,35,36,61,53,44,46,55,63,38,33,56,48,41,40, %U A245446 49,57,32,39,62,54,47,45,52,60,37,34,59,51,42,126,84,77,103,111,69 %N A245446 Permutation of nonnegative integers: a(n) = A193231(A056539(n)). %H A245446 Antti Karttunen, <a href="/A245446/b245446.txt">Table of n, a(n) for n = 0..1023</a> %H A245446 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %H A245446 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A245446 a(n) = A193231(A056539(n)). %o A245446 (Scheme) (define (A245446 n) (A193231 (A056539 n))) %Y A245446 Inverse: A245445. %Y A245446 Cf. A056539, A193231, A245443, A245444. %K A245446 nonn %O A245446 0,3 %A A245446 _Antti Karttunen_, Jul 22 2014