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 A122356 #5 Mar 31 2012 13:21:12 %S A122356 0,1,3,2,8,7,5,4,6,22,21,18,17,20,13,12,11,10,9,15,19,16,14,64,63,59, %T A122356 58,62,50,49,48,46,45,55,61,57,54,36,35,32,31,34,33,30,29,27,26,28,24, %U A122356 23,25,41,40,52,60,56,43,53,47,44,39,51,38,37,42,196,195,190,189,194 %N A122356 Row 20 of A122202. %C A122356 The signature-permutation of the automorphism which is derived from the twentieth non-recursive automorphism *A089862 with recursion schema KROF (see A122202 for the definition). %H A122356 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122356 Inverse: A122355. %K A122356 nonn %O A122356 0,3 %A A122356 _Antti Karttunen_, Sep 01 2006