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A316684
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Number of nX6 0..1 arrays with every element unequal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 209, 2000, 62314, 1591947, 43037698, 1155724711, 31086640568, 836374058655, 22504657178375, 605524917825416, 16293346116194775, 438413660714386365, 11796679681729376902, 317420954784579390096, 8541051272153616512370
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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..1..0..0..1..1. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..1..1..0..0..1
..0..1..1..0..0..0. .0..1..1..1..1..0. .0..1..0..0..1..1. .0..1..0..1..1..0
..0..0..1..1..1..0. .0..1..1..0..0..1. .0..0..0..0..1..0. .0..1..1..1..0..0
..1..0..1..0..1..1. .1..1..1..0..0..0. .1..1..1..0..0..1. .0..0..1..1..0..1
..0..1..1..0..1..0. .0..0..0..1..1..1. .0..1..0..1..0..1. .1..0..1..0..0..1
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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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