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A254552
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Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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1964388, 3894656, 10792398, 32790229, 59892062, 174169154, 479026957, 1214424748, 3174330616, 8371947986, 22077132240, 59499764494, 162041829116, 441051167564, 1202699989327, 3278780408176, 8941296527014, 24410840480132
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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..1..0..1..0..0....0..0..0..1..0..1..1..1..1
..0..0..0..0..1..1..1..1..1....0..0..0..1..1..1..0..1..1
..0..0..1..1..1..0..1..1..1....0..0..0..1..0..0..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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