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 A113232 #11 Jun 02 2018 16:05:17 %S A113232 1,2,3,4,16,8,9,7,5,6,33,12,24,14,66,10,21,25,11,18,26,20,96,36,38,17, %T A113232 39,32,52,19,27,49,34,72,74,13,37,76,40,100,48,56,65,15,70,28,43,23, %U A113232 57,104,64,112,135,22,139,120,67,137,92,68,71,128,131,98,60,88,136,130,51 %N A113232 A109812(A109812(n)). %C A113232 Inverse integer permutation of A113234; %C A113232 A113233(a(n)) = a(A113233(n)) = A109812(n). %H A113232 Reinhard Zumkeller, <a href="/A113232/b113232.txt">Table of n, a(n) for n = 1..10000</a> %H A113232 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %o A113232 (Haskell) %o A113232 a113232 = a109812 . a109812 -- _Reinhard Zumkeller_, Sep 15 2014 %Y A113232 Cf. A109812, A113233, A113234. %K A113232 nonn %O A113232 1,2 %A A113232 _Reinhard Zumkeller_, Oct 19 2005 %E A113232 Erroneous data corrected by _Reinhard Zumkeller_, Sep 15 2014