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A299559
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Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 65, 57, 230, 1094, 4315, 18032, 75491, 325547, 1416774, 6187701, 27013886, 117918230, 514866750, 2248861295, 9826797188, 42947569488, 187715747196, 820514753565, 3586597539334, 15677880073962, 68532680245349
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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..0..1..1. .0..0..0..0..0..1. .0..0..0..0..0..0. .0..0..1..1..0..0
..0..1..1..0..0..1. .0..1..1..1..0..0. .0..0..0..0..0..0. .0..0..1..0..1..0
..1..0..0..1..1..0. .1..0..1..0..1..0. .1..1..1..1..1..1. .0..0..1..0..1..1
..0..1..1..0..0..0. .0..1..0..1..1..0. .1..1..1..1..1..1. .1..1..1..0..0..0
..0..0..1..0..1..0. .0..0..1..1..0..0. .1..1..1..1..1..1. .1..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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