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A305095
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Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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5, 109, 158, 142, 1987, 7273, 10652, 64966, 320192, 708423, 2636757, 13429934, 39637595, 125263401, 569352731, 1996214758, 6279711801, 25173920295, 95148797434, 313904299488, 1160630719421, 4441812097013, 15391681955806
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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..1..0..0..1..1. .0..1..1..0..0..1. .0..0..1..0..0..1. .0..0..0..1..1..0
..0..0..1..0..0..0. .1..0..1..1..1..1. .0..1..0..0..1..0. .0..1..1..1..1..0
..0..0..0..0..0..0. .1..1..1..1..1..1. .0..0..0..0..0..0. .0..0..0..1..1..1
..1..0..0..0..1..0. .1..1..1..1..0..1. .0..1..0..0..0..1. .0..1..1..1..1..0
..0..1..0..0..1..0. .0..0..1..0..1..1. .0..0..1..0..0..1. .0..0..0..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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