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 A082361 #6 Oct 15 2015 10:55:24 %S A082361 0,1,4,2,3,10,11,12,5,6,13,7,8,9,28,29,30,31,32,33,34,35,14,15,36,16, %T A082361 17,18,37,38,39,19,20,40,21,22,23,41,24,25,26,27,84,85,86,87,88,89,90, %U A082361 91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,42,43,106,44,45,46 %N A082361 Permutation of natural numbers induced by the contraction of Catalan bijection signature-permutation A082351. %H A082361 A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (with the complete Scheme source) %H A082361 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations induced by Catalan automorphisms</a> %F A082361 a(n) = A082853(A082351(A081291(n))). %Y A082361 Inverse of A082362. Cf. also A082363-A082364. %K A082361 nonn %O A082361 0,3 %A A082361 _Antti Karttunen_, Apr 17 2003