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A201139
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Number of nX5 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
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1
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6, 282, 5252, 38763, 129244, 120096, 4264060, 46991775, 263910168, 769159517, 1051890338, 587703242, 10195065260, 73805965911, 264155170560, 506311957441, 505786896604, 197478497938, 2729592369510, 14908208194938, 42651701475408
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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=4
..0..0..2..2..3....0..0..2..3..4....0..0..1..2..3....0..0..0..2..4
..0..1..3..3..3....0..1..2..4..5....0..1..1..3..3....1..1..2..3..4
..1..1..4..4..5....1..1..3..4..5....0..1..2..4..5....1..1..2..3..4
..2..2..4..5..5....2..2..3..4..5....2..4..4..5..5....3..3..5..5..5
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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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