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A200707
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Number of nX1 0..7 arrays with every row and column running average nondecreasing rightwards and downwards
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2
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8, 36, 154, 638, 2583, 10283, 40437, 157577, 609826, 2347039, 8992543, 34325682, 130610876, 495631814, 1876372121, 7089015135, 26734090034, 100657714409, 378448861732, 1421055725676, 5329855712676, 19969617365137, 74751054819223
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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=3
..2....0....1....0....1....1....1....3....1....0....1....1....0....2....1....4
..2....1....2....2....7....5....3....5....1....3....1....6....7....3....5....7
..3....1....3....7....5....4....4....4....6....6....5....5....7....5....3....6
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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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