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A202741
Number of n X 7 0..1 arrays with row sums equal and column sums unequal to adjacent columns.
0
2, 214, 14258, 613950, 24620522, 967878370, 37121438930, 1401569558590, 52383342552410, 1938999772255314, 71224141762895090
OFFSET
1,1
COMMENTS
Column 7 of A202742.
EXAMPLE
Some solutions for n=3
..1..1..1..1..0..0..0....0..0..1..0..1..1..1....1..1..0..1..0..0..0
..0..0..0..1..1..1..1....1..0..1..0..0..1..1....0..0..0..1..1..1..0
..0..1..0..1..1..0..1....1..1..0..0..1..1..0....1..0..0..1..1..0..0
CROSSREFS
Cf. A202742.
Sequence in context: A345397 A078280 A125058 * A239529 A101393 A124188
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 23 2011
STATUS
approved