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A298166
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Number of nX7 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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0, 8, 8, 18, 32, 133, 624, 4525, 22143, 189512, 1055639, 8706804, 56180515, 430152862, 2980641029, 22009904805, 156293859632, 1140069517515, 8166045697940, 59256213868695, 426194534840118, 3084307811815052
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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=8
..0..0..0..0..0..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..1..0..0..1..1. .0..0..0..1..1..0..0. .0..0..1..1..0..0..0
..0..1..1..1..0..0..1. .1..1..1..0..1..1..1. .1..1..1..0..1..1..1
..1..0..0..1..0..1..1. .1..1..1..0..0..1..1. .1..1..0..0..0..1..1
..1..1..0..0..1..0..1. .1..1..1..0..1..0..0. .0..0..1..1..1..0..0
..1..1..1..1..0..1..0. .0..0..0..1..1..0..0. .0..0..0..1..0..0..0
..0..0..0..1..1..0..0. .0..0..0..1..1..0..0. .1..1..0..0..1..1..1
..0..0..0..1..1..0..0. .0..0..0..1..1..0..0. .1..1..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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