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A300809
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Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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32, 1490, 34836, 872495, 22066384, 559634028, 14189038853, 359766695966, 9121562946307, 231272831721241, 5863793161067426, 148673270791278610, 3769528495204343311, 95574315400763857215, 2423234009392860653804
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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..0..0..0..1..0. .0..0..0..0..1..1. .0..0..0..1..0..0. .0..0..0..0..1..0
..0..1..1..1..1..0. .0..1..1..0..0..0. .0..1..1..0..1..0. .0..1..0..1..1..0
..0..0..0..0..1..0. .0..0..1..1..1..1. .0..0..1..0..1..0. .0..1..0..1..0..1
..0..1..0..1..0..0. .0..1..0..0..1..0. .0..1..1..0..1..1. .0..0..0..1..0..0
..0..1..0..1..1..1. .0..1..1..0..1..1. .0..1..0..0..1..1. .0..0..1..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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