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A224056
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Number of nX7 0..2 arrays with rows and columns unimodal and antidiagonals nondecreasing
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1
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239, 10511, 164781, 1442005, 9064541, 46853641, 212819499, 880290006, 3395883003, 12434367863, 43748614669, 149023329961, 493368821453, 1589792417862, 4986883506257, 15223339574692, 45212829646621
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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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FORMULA
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Empirical polynomial of degree 28 (see link above)
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EXAMPLE
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Some solutions for n=3
..0..0..0..0..0..0..2....0..0..0..0..0..2..1....0..0..0..0..0..0..2
..0..0..0..1..1..2..2....0..0..0..2..2..2..0....0..0..0..1..1..2..0
..1..1..1..1..2..2..2....0..2..2..2..2..2..0....1..2..2..2..2..1..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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