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A297084
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Number of nX7 0..1 arrays with no 1 adjacent to 2 king-move neighboring 1s.
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1
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81, 2620, 105494, 6743851, 444282892, 31284950414, 2245841563645, 161959380452328, 11725115199949679, 849721643676688222, 61607378083911684026, 4467778025062737029643, 324029039753982645781516
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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..1..0..1..0..1. .0..0..0..0..0..1..1. .0..0..0..0..0..1..0
..0..0..0..1..0..0..1. .0..0..0..0..0..1..1. .0..0..0..0..0..1..0
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..1..0..1. .0..0..0..1..1..0..0. .0..0..0..0..0..1..0
..0..0..0..0..1..0..1. .0..0..0..1..1..0..1. .0..0..0..1..0..0..0
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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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