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%I #5 Mar 31 2012 12:35:57
%S 31707,4556371,518574936,64377477751,7795714368919,952294826074262,
%T 116023864377980183,14148460147460008963,1724850427268614620086,
%U 210297145807804211632731,25639101187522824504622401
%N Number of (n+1)X9 binary arrays with no 2X2 subblock containing fewer than two 1s
%C Column 8 of A184207
%H R. H. Hardin, <a href="/A184206/b184206.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 3X9
%e ..0..0..0..0..1..0..0..1..1....0..0..0..1..0..0..1..0..1
%e ..1..1..1..1..1..1..1..0..0....1..1..1..0..1..1..1..1..0
%e ..1..0..0..0..0..1..1..1..1....0..0..1..1..0..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 10 2011