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A299566
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Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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8, 2048, 11807, 91193, 792454, 6974944, 60087975, 521019836, 4532637754, 39406918756, 342638323385, 2980802300789, 25930513111911, 225563854798009, 1962260071727890, 17070767803839838, 148507700765418040
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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..0..1..0. .0..1..1..1..1..1..0. .0..1..1..1..1..0..0
..0..1..0..1..0..0..1. .0..0..0..0..0..0..0. .0..1..0..0..0..1..0
..0..1..0..1..0..0..1. .1..1..1..1..0..1..0. .1..1..1..1..0..1..1
..0..1..0..0..0..1..0. .0..0..1..0..0..1..0. .0..0..0..0..0..0..1
..0..1..1..0..1..0..1. .0..0..1..1..1..1..0. .0..1..1..1..1..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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