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A304701
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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3, 51, 46, 215, 908, 5232, 19701, 135455, 872954, 4460213, 28861276, 182319313, 1043954782, 6559780616, 40608072614, 242771829978, 1502847915709, 9234685790042, 56064025371157, 344833181614977, 2113754951173744
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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..0..0..1..1. .0..1..0..1..1. .0..1..1..1..0. .0..1..1..0..1
..1..1..0..0..0. .0..0..0..0..0. .0..1..1..0..1. .0..1..1..1..0
..1..1..1..1..1. .0..0..1..1..1. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..1..1. .0..1..0..0..0. .0..1..1..1..0. .1..0..1..1..0
..1..1..0..0..0. .1..0..0..1..1. .1..0..1..0..1. .0..1..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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