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A305357
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Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 26, 27, 64, 137, 271, 656, 1414, 3251, 7823, 17334, 40796, 93604, 216821, 501777, 1167670, 2698662, 6270487, 14570871, 33832392, 78619380, 182859215, 425198247, 989053517, 2302010385, 5357492695, 12472512027, 29043019534, 67636886076
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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..0. .0..1..0..0..1. .0..0..1..1..1. .0..0..0..0..0
..1..0..1..0..0. .1..1..1..0..1. .0..0..1..1..1. .0..0..0..0..0
..0..1..0..0..0. .0..1..1..1..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..0..0. .0..0..1..0..1. .1..1..0..0..0. .1..1..1..1..1
..1..1..1..0..0. .1..1..0..1..0. .1..1..0..0..0. .1..1..1..1..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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