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%I #6 Apr 11 2022 12:18:39
%S 2,214,14258,613950,24620522,967878370,37121438930,1401569558590,
%T 52383342552410,1938999772255314,71224141762895090
%N Number of n X 7 0..1 arrays with row sums equal and column sums unequal to adjacent columns.
%C Column 7 of A202742.
%e Some solutions for n=3
%e ..1..1..1..1..0..0..0....0..0..1..0..1..1..1....1..1..0..1..0..0..0
%e ..0..0..0..1..1..1..1....1..0..1..0..0..1..1....0..0..0..1..1..1..0
%e ..0..1..0..1..1..0..1....1..1..0..0..1..1..0....1..0..0..1..1..0..0
%Y Cf. A202742.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 23 2011