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A299247
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Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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1, 65, 87, 652, 5042, 35320, 223750, 1634125, 12440063, 85743693, 626402775, 4593707989, 33301518925, 242065110566, 1767254828555, 12896269372285, 93959680164405, 685715068810035, 5004838983561794, 36516480551676091
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OFFSET
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1,2
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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..1..0. .0..1..1..1..0..0. .0..1..1..0..1..1. .0..1..0..1..1..0
..1..0..0..1..0..0. .1..1..0..0..1..0. .0..0..1..1..1..0. .0..0..0..0..1..1
..1..1..1..1..1..0. .1..0..1..0..1..1. .0..1..1..1..1..1. .1..0..0..1..1..0
..1..0..1..1..1..1. .1..0..1..0..1..0. .1..1..1..1..0..1. .1..1..0..0..1..1
..0..0..1..0..1..0. .1..1..0..1..1..1. .1..0..1..0..0..0. .1..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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