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 A122354 #5 Mar 31 2012 13:21:12 %S A122354 0,1,3,2,8,7,6,4,5,22,21,20,17,18,19,16,14,10,9,15,11,12,13,64,63,62, %T A122354 58,59,61,57,54,46,45,55,48,49,50,60,56,53,44,47,51,42,38,27,26,37,25, %U A122354 23,24,52,43,39,29,28,40,30,32,31,41,33,34,35,36,196,195,194,189,190 %N A122354 Row 21 of A122202. %C A122354 The signature-permutation of the automorphism which is derived from the 21st non-recursive automorphism *A089863 with recursion schema KROF (see A122202 for the definition). %H A122354 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122354 Inverse: A122353. %K A122354 nonn %O A122354 0,3 %A A122354 _Antti Karttunen_, Sep 01 2006