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 A065632 #6 May 01 2014 02:49:13 %S A065632 1,2,3,8,5,6,7,16,4,10,11,12,13,14,15,32,33,17,9,20,21,22,23,24,25,26, %T A065632 27,28,29,30,31,64,65,66,67,34,35,18,19,40,41,42,43,44,45,46,47,48,49, %U A065632 50,51,52,53,54,55,56,57,58,59,60,61,62,63,128,129,130,131,132,133,134,135,68,69,70,71,36,37,38,39,80,81,82,83,84,85,86,87,88,89,90,91 %N A065632 Permutation of N induced by rotating the node 4 left in the infinite planar binary tree. The fourth row of A065626. Inverse of A065631. %H A065632 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %p A065632 [seq(RotateNodeLeft(4,j),j=1..120)]; %K A065632 nonn %O A065632 1,2 %A A065632 _Antti Karttunen_, Nov 08 2001