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A250569
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Number of (n+2) X (3+2) 0..1 arrays with nondecreasing maximum of every three consecutive values in every row and column.
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2
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21952, 463006, 9583440, 194160522, 3844025984, 75733658665, 1486288137310, 29093999130722, 568992945964954, 11121085195129708, 217289681422138350, 4244862050968522642, 82917728735945546896, 1619605399294091536443
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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=1
..1..0..1..0..0....0..1..0..0..1....1..1..1..0..1....1..1..0..1..1
..1..1..1..0..1....1..1..0..1..1....1..0..0..1..1....0..1..0..1..0
..1..1..1..0..1....0..0..0..1..1....1..1..0..0..1....0..0..0..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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