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%I #4 Mar 31 2012 12:36:57
%S 2,900,149794,20742920,2608783126,310153746516,35610018145138,
%T 3993667091848452
%N Number of nX7 0,1 arrays with adjacent row and column sums unequal
%C Column 7 of A203610
%e Some solutions for 4X4
%e ..1..0..1..0..1..1..1....1..0..0..1..0..1..0....1..0..0..1..0..1..1
%e ..1..1..1..1..1..1..1....0..0..1..0..1..1..1....1..1..0..0..1..1..1
%e ..1..1..1..1..1..1..0....1..0..0..0..1..0..0....0..0..1..1..1..1..0
%e ..0..0..0..0..1..0..0....1..1..1..0..0..1..0....0..0..1..1..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 03 2012
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