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A305641
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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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64, 752, 2197, 27110, 282463, 3252937, 42274045, 591351392, 8584480725, 124078351387, 1818792685910, 27004462368229, 398796896918570, 5911358831555626, 87903132040052308, 1303849881016486552
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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..0..0..0..0. .0..0..0..0..1..1..0. .0..0..1..1..0..1..0
..0..0..0..1..0..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..1..1..1..1..0..0. .0..0..0..0..0..0..0. .0..0..1..1..1..0..0
..1..0..1..0..0..1..1. .1..0..0..0..0..0..1. .0..1..0..0..1..0..0
..0..0..0..0..0..1..1. .1..0..0..0..0..0..1. .0..0..1..0..0..0..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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