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A296384
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Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 or 2 neighboring 1s.
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1
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21, 869, 16248, 396806, 9703136, 229596763, 5498685275, 131626644289, 3147315906687, 75284357021585, 1800805794917354, 43074075211098174, 1030309700130652258, 24644506858739501310, 589484296341647840175
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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..1..1..0. .0..0..0..1..1..1. .0..0..0..1..1..0. .0..0..0..0..0..0
..0..0..0..0..1..0. .0..0..0..0..0..1. .0..0..0..0..0..0. .0..1..1..0..0..0
..0..0..0..0..1..0. .0..0..0..0..0..1. .0..0..0..1..1..1. .0..0..0..1..1..0
..0..0..0..0..1..0. .0..1..1..0..1..0. .0..0..0..0..0..0. .0..0..1..0..1..0
..1..1..0..0..1..0. .0..0..1..1..0..0. .0..1..1..1..1..1. .1..1..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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