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 A264967 #8 Dec 06 2015 21:07:10 %S A264967 0,1,2,3,4,5,6,11,8,9,10,7,12,29,14,15,32,23,18,13,20,33,38,27,24,25, %T A264967 22,17,28,39,30,37,16,21,34,35,36,41,26,19,40,31,42,95,68,105,54,47, %U A264967 96,119,98,69,116,55,86,83,56,71,78,59,60,107,74,99,92,65,114,113,44,81,50,87,72,89,82,45,104,53,110,101,80,51 %N A264967 Permutation of nonnegative integers: a(n) = A263272(A246200(n)). %H A264967 Antti Karttunen, <a href="/A264967/b264967.txt">Table of n, a(n) for n = 0..10000</a> %H A264967 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %F A264967 a(n) = A263272(A246200(n)). %F A264967 Other identities. For all n >= 0: %F A264967 A000035(a(n)) = A000035(n). [This permutation preserves the parity of numbers.] %o A264967 (Scheme) (define (A264967 n) (A263272 (A246200 n))) %Y A264967 Inverse: A264968. %Y A264967 Cf. A246200, A263272. %Y A264967 Cf. also A264965, A264966. %K A264967 nonn,base %O A264967 0,3 %A A264967 _Antti Karttunen_, Dec 05 2015