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A316645
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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3, 51, 117, 277, 3988, 13869, 54941, 427096, 1946889, 9366796, 57663268, 295969544, 1539763069, 8765786966, 47008512064, 252662845220, 1403048644300, 7643576472481, 41637425213850, 229520211886381, 1257575861723627
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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..1..0..0..0. .0..0..1..0..1. .0..0..1..0..0. .0..1..1..1..0
..0..0..0..0..1. .1..1..1..1..0. .1..0..0..0..1. .1..0..1..0..1
..0..0..0..0..0. .1..1..1..1..1. .0..0..0..0..0. .1..1..1..1..1
..0..1..1..0..0. .0..1..1..0..1. .1..0..0..1..0. .0..1..1..1..0
..1..0..1..1..1. .1..1..1..1..1. .0..1..0..0..0. .0..1..1..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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