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A304153
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Number of nX5 0..1 arrays with every element unequal to 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.
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1
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0, 61, 130, 1767, 13279, 100942, 839935, 6803634, 54261600, 441840835, 3569262964, 28807241168, 233159844870, 1884661005225, 15233397819139, 123179691694152, 995827871395574, 8050733022232712, 65089574008016784, 526225152552918970
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OFFSET
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1,2
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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..0..1. .0..0..1..0..1. .0..0..0..1..1. .0..0..0..1..0
..0..1..0..0..0. .1..1..0..0..0. .1..1..0..0..0. .1..1..0..1..0
..1..1..1..1..0. .0..0..0..0..1. .1..0..0..0..0. .0..1..0..0..1
..1..0..1..1..1. .1..0..0..1..0. .0..0..1..1..1. .1..0..1..0..1
..0..1..0..1..0. .0..1..0..1..0. .1..1..0..0..0. .0..1..0..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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