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A296319
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Number of nX7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.
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1
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13, 301, 2747, 37431, 490668, 6069953, 78105580, 994666167, 12644605701, 161191403242, 2052476777491, 26138049499179, 332906349627080, 4239664089907890, 53994948962929686, 687661857639787158
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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..1..0..1..0..0. .0..1..1..0..1..0..0. .0..0..0..1..0..0..1
..0..1..0..0..1..0..0. .0..0..0..1..0..0..0. .0..0..0..1..0..1..0
..0..0..1..0..0..0..0. .0..1..0..0..0..1..1. .0..1..0..0..0..0..0
..0..1..0..0..0..0..1. .0..1..0..0..0..0..0. .1..0..1..0..0..0..0
..0..0..1..1..0..1..0. .0..0..1..1..0..0..0. .0..0..1..0..0..1..1
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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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