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A316646
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Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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5, 165, 247, 954, 13869, 43604, 228056, 1976020, 9093873, 51610410, 361362973, 1985497197, 11760202787, 75909662200, 448886626784, 2721480635319, 17080156724712, 103985805258335, 638132195692524, 3970731506103798
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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..1..0..0..0..0. .0..1..0..0..1..0. .0..1..1..0..1..0. .0..1..1..0..0..1
..0..0..0..1..1..0. .0..0..0..0..0..1. .0..1..1..0..1..0. .0..0..0..0..1..0
..0..0..0..0..0..0. .0..0..0..0..0..0. .1..1..1..1..1..1. .0..0..0..0..0..0
..0..1..0..0..0..0. .0..1..0..0..1..0. .1..1..1..0..1..0. .0..1..1..0..0..0
..1..0..0..0..1..0. .0..0..0..0..0..0. .1..0..1..1..1..1. .0..0..0..0..1..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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