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A305691
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Number of nX7 0..1 arrays with every element unequal to 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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8, 5824, 453553, 47448563, 4791219558, 484920924010, 49083436693252, 4968168200482612, 502868587709213674, 50899470674105259942, 5151954783888699806976, 521471776409885375274986
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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..0..0. .0..0..1..0..0..1..1. .0..0..1..0..0..1..1
..0..1..1..0..0..1..1. .0..1..1..0..0..0..1. .0..1..1..0..0..0..0
..0..0..0..0..1..0..0. .0..0..0..0..0..1..0. .0..0..0..0..1..0..0
..1..0..0..1..1..0..0. .1..0..0..0..1..0..1. .1..0..0..0..1..1..0
..0..0..1..1..1..1..1. .0..0..0..1..0..0..0. .0..0..1..0..0..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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