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 A130384 #5 Mar 31 2012 13:21:14 %S A130384 0,1,2,3,6,5,4,7,8,15,19,16,12,13,14,11,9,20,18,10,17,21,22,52,41,40, %T A130384 56,60,43,44,53,34,32,47,31,35,36,39,51,42,30,33,37,28,23,55,61,24,57, %U A130384 49,50,38,29,25,54,48,26,45,62,59,27,46,58,63,64,153,178,164,119,120 %N A130384 Signature permutation of a Catalan automorphism: row 5 of A130401. %C A130384 The signature-permutation of the Catalan automorphism which is derived from the fifth non-recursive Catalan automorphism *A089852 with recursion schema REDRONI (see A130401 for the definition). %H A130384 A. Karttunen, <a href="/A130384/b130384.txt">Table of n, a(n) for n = 0..2055</a> %H A130384 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130384 Inverse: A130383. %K A130384 nonn %O A130384 0,3 %A A130384 _Antti Karttunen_, Jun 11 2007