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A299464
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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8, 2048, 13268, 139226, 2991315, 41279802, 546467591, 8711452672, 130278485534, 1890309059942, 28489200483157, 427264160208569, 6342667405588230, 94802579756192769, 1418200510850008758, 21159682125398572853
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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=4
..0..0..0..1..1..1..0. .0..1..1..1..1..0..0. .0..1..0..1..0..0..0
..0..0..0..1..0..0..1. .0..1..0..0..0..0..1. .1..0..0..1..0..0..0
..0..0..0..0..1..1..0. .0..1..0..0..0..1..0. .0..0..0..0..0..0..0
..1..1..0..1..0..0..1. .0..1..0..0..0..1..0. .0..1..1..0..1..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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