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 A163546 #4 Mar 31 2012 13:21:18 %S A163546 0,2,4,1,13,9,5,8,12,18,24,17,11,7,3,6,62,51,42,52,43,35,27,34,26,19, %T A163546 14,20,41,33,25,32,40,50,60,49,85,73,61,72,84,98,112,97,83,71,59,70, %U A163546 58,47,38,48,39,31,23,30,22,15,10,16,37,29,21,28,268,245,224,246,183 %N A163546 Inverse permutation to A163545. %H A163546 A. Karttunen, <a href="/A163546/b163546.txt">Table of n, a(n) for n = 0..4095</a> %H A163546 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %Y A163546 Inverse: A163545. a(n) = A054239(A163486(n)) = A061579(A163544(n)). %K A163546 nonn %O A163546 0,2 %A A163546 _Antti Karttunen_, Aug 01 2009