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 A236243 #16 Mar 23 2014 20:03:26
%S A236243 0,1,2,7,10,6,4,8,35,3,67,30,5,13,89,15,143,12,22,118,385,9,11,112,19,
%T A236243 21,23,14,355,33,26,247,69,18,70,188,17,32,61,58,888,27,20,403,871,29,
%U A236243 250,31,65,77,1254,55,28,57,108,59,823,34,36,633,85,116,25,80,1710,64,238,151,1202,54,1677,152,53
%N A236243 Position (or inverse of) n in A235598.
%C A236243 The terms of this sequence are conjectured to be a permutation of the natural numbers.
%H A236243 Robert G. Wilson v, <a href="/A236243/b236243.txt">Table of n, a(n) for n = 3..2592</a>
%t A236243 (* run the Mmca in A235598 *); Flatten[ Table[ Position[ lst, n, 1, 1], {n, 3, 75}] - 1]
%Y A236243 Cf. A235598, A236244.
%K A236243 nonn
%O A236243 3,3
%A A236243 _Robert G. Wilson v_, Jan 22 2014