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%I #5 Mar 31 2012 12:36:08
%S 71836,3029032,125103786,5243407780,219684364642,9206325629324,
%T 385878307185440,16174152113717987,677941845846382141,
%U 28416164592526303012,1191073362353254969342,49924255054152257493562
%N Half the number of (n+2)X6 binary arrays with each 3X3 subblock having sum 3, 4, 5 or 6
%C Column 4 of A187317
%H R. H. Hardin, <a href="/A187312/b187312.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 4X6 with a(1,1)=0
%e ..0..0..1..0..1..1....0..0..1..1..0..0....0..0..1..1..1..1....0..0..1..0..0..1
%e ..0..1..1..0..1..1....0..1..0..0..1..0....0..0..0..1..1..0....0..1..1..1..1..0
%e ..0..0..1..1..0..0....0..1..1..0..0..1....0..1..1..0..0..1....0..0..1..0..0..1
%e ..0..0..0..0..1..1....0..0..0..1..1..1....0..0..1..0..0..0....0..1..1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 08 2011
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