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 A082319 #5 Mar 31 2012 14:02:19
%S A082319 0,1,2,3,4,8,5,7,6,9,14,21,18,13,10,15,20,17,12,19,16,11,22,23,28,37,
%T A082319 42,51,58,62,49,46,55,35,32,27,41,24,29,38,43,52,57,61,48,45,54,34,31,
%U A082319 26,40,56,60,47,44,53,33,30,25,39,64,63,59,50,36,65,70,79,84,93
%N A082319 Permutation A057501 applied four times ("^4"), permutation A082315 squared.
%H A082319 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations induced by Catalan automorphisms</a>
%F A082319 a(n) = A082315(A082315(n))
%Y A082319 Inverse of A082320. Occurs in A073200. Cf. also A082321-A082324.
%K A082319 nonn
%O A082319 0,3
%A A082319 _Antti Karttunen_, Apr 17 2003