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 A166013 #12 Mar 20 2022 21:42:26 %S A166013 1,2,3,5,4,6,8,7,9,13,10,14,11,15,12,16,21,17,22,18,23,19,24,20,25,34, %T A166013 26,35,27,36,28,37,29,38,30,39,31,40,32,41,33,42,55,43,56,44,57,45,58, %U A166013 46,59,47,60,48,61,49,62,50,63,51,64,52,65,53,66,54,67,89,68,90,69,91 %N A166013 Inverse permutation to A138606. %C A166013 Fixed points of the permutation are the terms of A062114. - _Ivan Neretin_, Sep 04 2017 %H A166013 Ivan Neretin, <a href="/A166013/b166013.txt">Table of n, a(n) for n = 1..10000</a> %H A166013 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A166013 Inverse: A138606. %K A166013 nonn %O A166013 1,2 %A A166013 _Antti Karttunen_, Oct 05 2009