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A298441
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Number of nX5 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
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1
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1, 5, 27, 34, 214, 1270, 3963, 22290, 109407, 575051, 2971861, 15762216, 83199761, 441446058, 2340097953, 12423894951, 65958097911, 350249517506, 1860019843159, 9878573927424, 52466325210223, 278662071849089, 1480071205576530
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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..0..1..0. .0..1..1..0..0. .0..1..0..1..0. .0..0..0..0..0
..1..1..1..1..1. .1..1..1..0..0. .1..1..1..1..1. .0..0..1..0..0
..1..0..1..0..1. .1..1..0..0..1. .1..1..0..1..1. .1..0..0..0..1
..1..1..1..1..1. .1..1..0..0..0. .0..0..0..0..0. .0..0..1..0..0
..0..1..1..1..0. .1..1..0..0..1. .0..0..1..0..0. .0..0..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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