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%I
%S 2661,32393085,319626874708,3164557733113615,31390101087203449414
%N Half the number of nX7 0..3 arrays with no element equal to the average of its horizontal and vertical neighbors
%C Column 7 of A197109
%e Some solutions for 4X4
%e ..1..0..0..0..1..2..3....1..0..0..0..2..3..1....1..0..0..0..3..3..3
%e ..0..0..2..0..0..1..1....0..0..2..0..0..2..1....0..0..2..0..0..0..0
%e ..0..0..1..0..0..2..3....0..0..1..0..0..0..2....0..0..1..0..0..2..0
%e ..1..0..0..0..2..2..0....1..0..0..0..2..0..0....1..0..0..0..1..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 10 2011
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