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 A065673 #5 May 01 2014 02:49:15 %S A065673 1,2,3,4,5,6,7,8,9,10,11,12,13,14,487,16,17,18,19,20,21,22,23,24,25, %T A065673 26,27,28,29,1927,247,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47, %U A065673 48,49,50,51,52,53,54,55,56,57,58,59,7687,967,982,31744,64,65,66,67,68,69 %N A065673 Permutation of N induced by rotating the node 7 left in the infinite planar binary tree shown at A065658. %H A065673 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %p A065673 [seq(RotateBinFracNodeLeft(7,j),j=1..256)]; %Y A065673 The seventh row of A065659. Inverse of A065672. A065673(n) = A065660(A065665(A065661(n))) %K A065673 nonn %O A065673 1,2 %A A065673 _Antti Karttunen_, Nov 22 2001