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A254160
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Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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512, 23660, 1553720, 191190272, 47722312832, 24789263869340, 27196332026497280, 62670987439073417464, 306649596390478314360688, 3185451673330281289722851308, 70105876620029167895782015020688
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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..0..0..1....0..0..1..1....0..0..1..1....1..1..1..0....1..1..0..1
..0..1..1..0....0..1..1..1....0..1..1..0....1..0..1..1....1..1..0..1
..1..0..0..0....1..1..1..0....1..1..1..1....1..1..1..0....1..1..1..1
..0..0..0..1....0..0..0..1....1..0..1..0....1..0..1..0....1..0..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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