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 A122321 #5 Mar 31 2012 13:21:12 %S A122321 0,1,3,2,6,8,7,4,5,14,15,19,20,22,16,21,17,9,10,18,11,13,12,37,38,39, %T A122321 41,40,51,52,53,54,55,60,61,62,64,42,43,56,57,63,44,58,45,23,24,46,25, %U A122321 27,26,47,59,48,28,29,50,33,34,36,49,30,35,31,32,107,108,109,111,110 %N A122321 Row 12 of A122283. %C A122321 The signature-permutation of the automorphism which is derived from the twelfth non-recursive automorphism *A074679 with recursion schema DEEPEN (see A122283 for the definition). %H A122321 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122321 Inverse: A122322. %K A122321 nonn %O A122321 0,3 %A A122321 _Antti Karttunen_, Sep 01 2006