Number of "ON" cells at n-th stage in simple 2-dimensional cellular automaton (see Comments for precise definition).
0, 1, 9, 13, 41, 45, 73, 85, 169, 173, 201, 213, 297, 309, 393, 429, 681, 685, 713, 725
1 seqfan posts
Tue Mar 9 05:05:10 CET 2010 [seqfan] Re: gentle reminder