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%I #4 Mar 31 2012 12:36:09
%S 3703651,9368309,24351579,67476109,234213387
%N Number of (n+2)X7 0..2 arrays with each 3X3 subblock having sum 9
%C Column 5 of A187645
%e Some solutions for 4X7
%e ..0..1..2..0..1..1..0....0..1..2..1..2..2..0....0..0..2..0..2..1..1
%e ..0..0..1..1..1..2..0....0..2..2..0..2..1..1....0..2..1..1..0..2..0
%e ..1..2..2..0..1..2..1....1..1..0..0..0..1..0....1..2..1..0..2..1..0
%e ..0..1..2..0..1..1..0....1..0..2..2..1..2..1....0..0..2..0..2..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 12 2011