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A201097
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Number of nX4 0..7 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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70, 14, 10423, 2490, 905695, 89311, 31885648, 2647438, 656371640, 36544193, 9299512195, 511681129, 98676369362, 4102057023, 799144327565, 32799089454, 5440609981711, 190811885180, 31312173195234, 1071156563658, 156356946333786
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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..4....0..0..2..3....0..1..1..2....0..1..2..3....0..1..4..5
..1..1..2..5....1..2..3..4....0..2..3..4....0..2..3..5....0..2..4..5
..3..4..6..7....1..4..6..7....3..5..6..7....1..4..5..7....1..3..6..7
..3..5..6..7....5..5..6..7....4..5..6..7....4..6..6..7....2..3..6..7
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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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