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A253543
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Number of (n+2) X (7+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.
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1
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21426176, 1834356992, 127181862144, 9486518960384, 657894258934784, 46413538389140480, 3255970677691466752, 228600648438966641408, 15996469972150317342720, 1120603001060312615144960
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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..0
..0..1..1..0..0..1..0..0..0....0..1..0..0..0..0..1..1..0
..1..0..1..1..1..1..0..1..0....0..0..1..1..1..1..1..0..0
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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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