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 A104694 #6 Feb 15 2017 00:11:40
%S A104694 2,3,1,4,12,5,6,18,7,10,19,8,14,21,9,16,47,11,20,53,13,22,54,15,24,67,
%T A104694 17,29,68,23,30,69,25,32,72,26,35,75,27,36,76,28,38,78,31,40,84,33,41,
%U A104694 85,34,42,87,37,44,89,39,50,93,43
%N A104694 Rearrangement of positive integers according to number of odd and even digits in n^3.
%F A104694 {A104692(n), A104691(n), A104693(n)}, n=1, 2, ...
%Y A104694 Cf. A104639, A104640, A104641, A104692, A104693, A104695.
%K A104694 easy,nonn,base
%O A104694 1,1
%A A104694 _Zak Seidov_, Mar 18 2005