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A253862
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically
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1
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20872192, 1698464064, 118920758784, 8790291559808, 612253982192000, 43112542683771520, 3019741030360821632, 211665067386720117888, 14806506494623373426048, 1037768836282199713546368
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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=1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..1
..1..1..1..1..0..1..0..1..0....0..0..1..1..1..1..1..0..0
..1..1..1..0..1..1..0..1..0....1..0..0..0..0..1..1..1..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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