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 A071663 #10 Jan 10 2024 14:24:54
%S A071663 0,1,3,2,8,5,6,7,4,22,13,15,18,10,19,11,20,21,12,14,16,17,9,64,36,41,
%T A071663 50,27,52,29,55,59,32,38,43,46,24,60,33,39,47,25,61,48,62,63,35,34,40,
%U A071663 49,26,51,28,53,56,30,54,57,58,31,37,42,44,45,23,196,106,120,148,78
%N A071663 Permutation A057505 applied three times ("cubed").
%H A071663 Robert Donaghey, <a href="https://doi.org/10.1016/0095-8956(80)90045-3">Automorphisms on Catalan trees and bracketing</a>, J. Combin. Theory, Series B, 29 (1980), 75-90.
%H A071663 Antti Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (Includes the complete Scheme source for computing this sequence)
%H A071663 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y A071663 Inverse permutation: A071664 and also its car/cdr-flipped conjugate, i.e. A071663(n) = A057163(A071664(A057163(n))) = A057505(A071661(n)). Cf. also A071665, A071667, A071669.
%K A071663 nonn
%O A071663 0,3
%A A071663 _Antti Karttunen_, May 30 2002