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 A266412 #5 Jan 02 2016 04:14:53 %S A266412 1,2,4,3,8,5,7,6,16,9,15,10,12,11,14,13,32,17,31,18,30,19,21,20,27,22, %T A266412 24,23,26,25,29,28,64,33,63,34,62,35,61,36,38,37,58,39,57,40,42,41,48, %U A266412 43,45,44,47,46,54,49,51,50,53,52,56,55,60,59,128,65,127,66,126,67,125,68,124,69,71,70,121,72,120,73,119,74,76,75 %N A266412 Inverse permutation to A266411. %H A266412 Antti Karttunen, <a href="/A266412/b266412.txt">Table of n, a(n) for n = 1..16384</a> %H A266412 <a href="/index/Ho#Hofstadter">Index entries for Hofstadter-type sequences</a> %H A266412 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %o A266412 (Scheme) ;; Use the Scheme-code given in A266411. %Y A266412 Inverse: A266411. %K A266412 nonn %O A266412 1,2 %A A266412 _Antti Karttunen_, Dec 29 2015