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A298844
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Number of nX6 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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5, 573, 1274, 4648, 18191, 74685, 290474, 1134326, 4476521, 17504192, 68460956, 268946027, 1056908182, 4152467108, 16322047853, 64182331628, 252466069300, 993456216706, 3910523487359, 15397203073949, 60640330684857
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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=6
..0..1..1..0..0..0. .0..0..0..1..0..1. .0..1..0..1..0..1. .0..0..1..1..1..0
..1..0..1..1..1..0. .0..1..1..1..1..0. .1..0..0..0..1..0. .0..1..0..1..0..1
..1..1..1..1..1..0. .0..1..1..1..1..1. .0..0..0..0..0..0. .1..0..1..1..1..0
..1..0..1..1..1..1. .1..1..1..1..1..0. .1..0..0..0..1..0. .1..1..1..1..1..1
..0..1..0..1..0..1. .0..1..1..1..1..0. .0..1..0..1..0..1. .1..0..1..1..1..0
..0..0..1..1..1..0. .1..0..1..0..0..0. .1..0..0..0..1..1. .0..1..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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