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%I #4 Mar 31 2012 12:35:55
%S 586791,53575889,5344196941,615149254565,71600778588343
%N Number of (n+1)X7 0..2 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one
%C Column 6 of A183971
%e Some solutions for 3X7
%e ..0..0..2..0..2..0..2....0..0..0..0..0..0..0....0..0..1..0..1..0..1
%e ..2..0..0..0..0..0..0....1..0..2..0..2..1..1....0..0..0..0..1..1..0
%e ..0..0..2..0..2..1..2....0..0..0..0..0..0..1....1..0..0..1..0..0..1
%e ...
%e ...2..2..2..2..2..2.......1..2..2..2..3..2.......0..1..1..2..3..2...
%e ...2..2..2..2..3..3.......1..2..2..2..3..3.......1..0..1..2..2..2...
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 08 2011
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