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A201150
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Number of nX3 0..2 arrays with every diagonal, row and column running average nondecreasing rightwards and downwards and diagonally
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1
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11, 56, 235, 860, 2910, 9287, 28452, 84473, 244933, 697065, 1954865, 5417604, 14870436, 40495840, 109564073, 294830410, 789790546, 2107673769, 5606720691, 14874608710, 39372687032, 104018286133, 274358183769, 722650263970
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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=8
..0..1..1....0..0..2....0..0..0....0..0..0....0..0..1....0..0..0....0..0..2
..0..1..1....0..2..2....0..0..1....0..0..0....0..0..1....0..1..2....0..2..2
..0..1..1....1..1..2....0..0..1....0..0..0....0..0..1....1..2..2....0..1..2
..0..1..2....1..1..2....0..0..1....0..0..0....0..0..1....2..2..2....0..1..2
..0..1..2....1..2..2....1..1..2....0..1..1....0..2..1....1..2..2....0..1..2
..0..1..2....2..2..2....1..2..2....0..1..2....1..2..2....1..2..2....0..1..2
..2..2..2....1..2..2....2..2..2....0..2..2....1..1..2....1..2..2....1..1..2
..1..2..2....2..2..2....1..2..2....1..1..2....1..2..2....2..2..2....1..1..2
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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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