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A184133
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Number of nX5 0..2 arrays with rows and columns in nondecreasing order
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1
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21, 972, 70243, 5136783, 318174607, 16226388113, 692646032166, 25325301730396, 809428667338479, 22988798937359989, 587867998879645140, 13680436324388196991, 292276898997326389982, 5775131297680469786518
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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 3X5
..0..0..0..0..0....0..0..1..2..2....0..1..1..2..2....0..0..1..1..2
..0..0..0..0..2....0..0..2..0..0....0..2..2..1..2....1..1..0..0..2
..0..0..1..2..0....1..1..1..0..0....1..2..2..1..2....2..2..0..2..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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