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A317269
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Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 272, 842, 16877, 269286, 3234635, 52389467, 773668467, 11290705493, 170621554982, 2539927769977, 37874050523071, 566519072518773, 8458775423505580, 126360722809445467, 1887999263939269044
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OFFSET
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1,2
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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..0..1. .0..1..0..0..0..1. .0..1..0..0..0..1. .0..1..0..1..0..0
..1..1..1..0..1..0. .0..1..1..0..1..0. .0..1..0..0..0..1. .0..1..1..0..1..1
..1..1..0..0..1..0. .1..1..1..1..0..0. .0..0..0..0..0..0. .1..1..1..1..1..0
..1..1..0..0..0..1. .1..0..1..0..0..1. .1..1..0..1..1..0. .1..0..1..1..0..1
..0..0..1..1..0..1. .1..0..1..1..1..0. .0..1..0..0..0..1. .1..0..0..1..0..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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