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A305449
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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3, 51, 44, 169, 1275, 2697, 13128, 58608, 222877, 971263, 4509456, 20052817, 89962877, 429934611, 2010364493, 9342799726, 45060857343, 214803238622, 1018900098942, 4925205324903, 23663249399671, 113385119300854
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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..0. .0..0..0..1..0. .0..0..0..1..0. .0..1..0..0..1
..0..1..0..0..0. .0..1..0..0..1. .0..1..0..0..1. .1..0..0..0..1
..0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .1..1..0..0..0
..0..0..0..1..0. .0..0..0..0..1. .1..0..0..0..1. .1..0..0..0..1
..0..1..1..1..1. .0..1..0..1..0. .0..1..0..0..1. .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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