%I #8 Mar 09 2015 04:29:44
%S 1,2,16,511,65089,33066176,66993993728,541344347284385,
%T 17445985904048740529,2242340146792849255134720,
%U 1149454044962768236388517543936,2349989206497316681704056634171383423
%N Number of n X n binary matrices containing no more than eight 1s in any 3 X 3 subblock.
%H R. H. Hardin, May 27 2008, <a href="/A140311/b140311.txt">Table of n, a(n) for n = 0..15</a>
%Y Cf. A139810.
%K nonn
%O 0,2
%A _R. H. Hardin_, May 27 2008
