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A298379
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Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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1, 31, 30, 172, 852, 3271, 12982, 61188, 269075, 1128296, 5153385, 22703729, 99818765, 445053228, 1972816352, 8743331187, 38814180171, 172316989015, 764451545979, 3393127170381, 15061809206218, 66843755437502
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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=7
..0..0..1..1..0. .0..1..1..0..0. .0..1..0..1..1. .0..1..1..0..0
..0..1..1..0..0. .1..1..0..0..1. .0..0..0..0..1. .1..1..0..1..0
..0..1..0..1..1. .0..1..1..1..1. .0..1..0..0..0. .0..1..1..0..1
..0..1..0..0..1. .1..1..1..1..0. .1..0..1..1..0. .1..1..1..1..1
..0..0..1..1..0. .1..0..0..1..1. .1..0..1..0..1. .1..0..1..0..1
..1..0..0..1..0. .0..0..1..1..0. .1..0..0..1..1. .0..0..0..0..0
..1..1..1..0..0. .1..0..0..1..1. .1..1..1..1..0. .0..1..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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