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A305527
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Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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16, 420, 4779, 61139, 767417, 9599897, 120736482, 1516911265, 19047231319, 239296544073, 3006001064287, 37759220717254, 474325856668925, 5958345162521726, 74846763031519350, 940204050723933820
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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..1. .0..0..0..0..0. .0..0..0..0..1. .0..0..0..0..0
..0..0..0..1..0. .1..1..0..0..0. .0..0..0..0..1. .1..1..0..1..0
..1..1..0..1..0. .0..0..1..1..0. .0..0..0..0..1. .0..0..1..0..1
..0..1..0..0..1. .1..1..1..0..0. .0..0..0..0..0. .1..0..0..0..0
..0..0..0..1..0. .1..1..0..1..0. .0..0..0..0..0. .1..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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