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A254490
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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, vertically and ne-to-sw antidiagonally
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1
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20872192, 1608739904, 111699091200, 8153154979328, 566704583699968, 39847094492435712, 2791393651770044928, 195729911005053100544, 13689397617466091628032, 959275333788055608747520
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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..1....0..0..0..0..0..0..0..0..1
..0..1..1..1..1..1..1..0..0....1..0..1..0..0..1..0..0..1
..0..0..1..0..1..0..0..0..1....0..1..1..0..1..1..0..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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