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 A065661 #5 May 01 2014 02:49:14 %S A065661 4,16,22,64,8,160,1,256,32,67,34,1279,10,382,6,1024,128,259,130,33, %T A065661 271,136,17,157,2,328,172,94,6142,24,3,4096,512,1027,514,129,1039,520, %U A065661 65,133,268,135,1087,544,68,139,70,154,79,83886079,10485760,163,664,340 %N A065661 Permutation of N induced by rotating the node 1 (the top node) left in the infinite planar binary tree shown at A065658. %H A065661 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %p A065661 [seq(RotateBinFracNodeLeft(1,j),j=1..256)]; %Y A065661 The first row of A065659. Inverse of A065660. %K A065661 nonn %O A065661 1,1 %A A065661 _Antti Karttunen_, Nov 22 2001