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 A071667 #5 Apr 30 2014 01:53:48
%S A071667 0,1,3,2,8,6,7,5,4,22,19,20,15,14,21,16,18,13,11,17,12,10,9,64,60,61,
%T A071667 52,51,62,53,55,41,39,54,34,38,37,63,56,57,40,42,59,43,50,36,33,47,48,
%U A071667 29,28,58,44,49,35,30,46,32,27,25,45,31,26,24,23,196,191,192,178,177
%N A071667 Permutation A057505 applied five times ("^5").
%H A071667 A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (Includes the complete Scheme source for computing this sequence)
%H A071667 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y A071667 Inverse permutation: A071668 and also its car/cdr-flipped conjugate, i.e. A071667(n) = A057163(A071668(A057163(n))) = A057505(A071665(n)). Cf. also A071661, A071663, A071669.
%K A071667 nonn
%O A071667 0,3
%A A071667 _Antti Karttunen_, May 30 2002