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A184135
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Number of nX7 0..2 arrays with rows and columns in nondecreasing order
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1
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36, 5217, 2126064, 1235699769, 692646032166, 330480778987068, 132171590850720635, 44958654878873680385, 13254294130125564125813, 3443901257202394752536535, 799652347582827921456558772
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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 3X7
..0..0..0..0..2..2..2....0..0..0..0..0..2..2....0..0..0..0..1..2..2
..0..0..1..1..0..1..2....0..0..1..1..2..1..2....0..0..0..0..2..0..1
..0..0..1..1..2..0..1....0..1..1..1..1..2..0....0..1..1..2..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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