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 A082348 #6 Oct 15 2015 10:55:24 %S A082348 0,1,3,2,8,7,6,5,4,22,21,20,18,17,19,16,15,12,13,14,11,10,9,64,63,62, %T A082348 59,58,61,57,55,49,50,54,48,46,45,60,56,53,47,44,52,43,40,31,32,41,34, %U A082348 35,36,51,42,39,30,33,38,29,26,27,37,28,25,24,23,196,195,194,190,189 %N A082348 Permutation of natural numbers induced by the Catalan bijection gma082348 acting on the parenthesizations encoded by A014486/A063171. %H A082348 A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (with the complete Scheme source) %H A082348 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations induced by Catalan automorphisms</a> %o A082348 (Scheme functions implementing this automorphism on list-structures:) %o A082348 (define (gma082348! s) (cond ((pair? s) (gma082348! (cdr s)) (gma069767! s))) s) %Y A082348 Inverse of A082347. Occurs in A073200 as row 68. Cf. also A069767, A073288-A073289, A082345-A082346. %K A082348 nonn %O A082348 0,3 %A A082348 _Antti Karttunen_, Apr 17 2003