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A201102
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Number of n X 2 0..7 arrays with every row and column running average 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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28, 140, 334, 103, 14881, 246332, 838638, 324469, 54328646, 960991707, 3157790020, 1057637803, 221465699177, 4636455864017, 17172840400292, 6213696250684, 1322921262723003, 27235717697960253, 96311573893944098, 32407513702617077
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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=5
..0..2....0..1....0..1....0..2....0..1....0..1....0..3....0..2....0..3....0..1
..0..3....2..3....0..4....1..6....3..5....0..1....2..4....0..5....0..3....2..6
..1..4....1..2....2..3....4..7....2..4....2..3....1..7....1..4....1..6....2..5
..4..5....5..7....1..5....3..5....6..6....5..6....4..6....3..7....4..5....3..7
..6..7....4..6....6..7....2..6....4..7....4..7....2..5....5..6....2..7....4..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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