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A298659
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Number of nX7 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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8, 95, 63, 322, 876, 2562, 7964, 24801, 74358, 242072, 745571, 2349275, 7433849, 23406485, 73834463, 233339001, 735993576, 2324359169, 7339529089, 23174991985, 73178503209, 231090268648, 729735594047, 2304427312579, 7277098813048
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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..1..0..0..0..1. .0..0..1..0..0..0..1. .0..1..0..1..0..0..1
..1..0..0..0..0..1..1. .1..1..0..0..0..1..1. .1..0..1..0..1..1..1
..1..0..0..0..0..0..0. .0..0..0..0..0..0..0. .1..0..0..0..1..1..1
..1..0..1..0..1..0..1. .1..0..1..0..1..0..1. .1..0..0..0..1..0..1
..0..0..1..0..1..0..1. .1..0..1..0..1..0..1. .0..0..0..1..1..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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