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A255026
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Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 0 or 1 and no column sum 0 or 1
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1
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2853, 23077, 206739, 1669286, 13460633, 110131505, 896763036, 7301549016, 59570598618, 485457428280, 3954090473055, 32222610105483, 262627685087211, 2140187356615066, 17439608164244753, 142114394703257737
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=2
..1..1..1..1..1..1..1..1..1....1..1..1..1..1..0..1..1..0
..1..0..1..1..0..1..1..1..1....0..1..1..1..1..1..1..1..1
..1..1..1..1..1..1..0..1..1....1..1..1..1..0..1..1..1..1
..1..1..1..1..1..1..1..1..1....1..0..1..1..1..1..1..0..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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