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A305590
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Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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16, 192, 1626, 14746, 126484, 1103744, 9637513, 84163172, 735136189, 6422571506, 56111226377, 490221696524, 4282971493585, 37419778126289, 326932203835912, 2856373201213819, 24955879921633485, 218037437681244660
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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..1..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..1..1..1
..1..0..1..0..0. .0..0..1..1..0. .1..0..0..0..1. .1..1..0..1..1
..1..1..1..1..0. .1..0..1..0..0. .0..0..0..0..0. .1..1..1..0..0
..1..1..1..1..1. .1..1..1..1..1. .1..0..0..1..1. .1..0..0..0..0
..0..1..1..0..1. .1..0..1..1..0. .1..1..0..1..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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