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A317695
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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13, 125, 220, 2742, 45681, 585418, 12414382, 278773058, 5491231349, 116715146200, 2570374849303, 54688547721331, 1172271375077821, 25454276497929618, 549001290500006632, 11830194532621287774, 255817531591774568761
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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..1..1..0..0. .0..0..1..0..0..1. .0..0..1..1..0..1. .0..1..0..1..1..1
..0..0..1..1..1..0. .1..0..1..0..1..1. .0..1..1..1..1..1. .0..0..0..1..0..1
..1..1..0..0..0..0. .0..0..1..0..1..1. .0..0..0..0..0..0. .1..1..1..0..1..1
..1..0..1..0..1..1. .1..1..0..1..1..0. .0..0..1..0..1..1. .0..0..0..0..1..1
..0..0..1..0..0..1. .1..0..0..1..0..0. .0..0..0..0..1..0. .1..0..0..1..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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