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A253763
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically
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1
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11244672, 447022128, 20282915690, 905139371305, 40521984254512, 1850596722079477, 84156841519162348, 3824463533822627621, 173825747456520079446, 7902704234908766176249, 359193720219842584777240
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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..1..0..1
..1..0..0..0..0..0..1..0..1....0..0..0..1..0..1..0..0..1
..0..0..0..0..0..0..0..0..1....0..0..0..1..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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