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A298724
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Number of nX5 0..1 arrays with every element equal 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, 31, 21, 77, 336, 1041, 3676, 12970, 45311, 162322, 581460, 2074761, 7425880, 26606520, 95200209, 340938956, 1221189411, 4373317686, 15664416165, 56107953172, 200965985895, 719842577248, 2578420648657, 9235682972244
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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..0..1..1. .0..0..0..0..0. .0..0..0..0..0. .0..0..1..0..0
..0..0..0..0..1. .0..0..0..0..0. .1..0..1..1..0. .0..1..1..0..1
..1..0..1..0..1. .1..1..1..1..1. .0..0..1..0..1. .0..1..0..0..0
..1..1..1..1..1. .1..1..1..1..1. .1..0..1..0..1. .0..0..1..1..1
..0..1..0..1..0. .1..1..1..1..1. .0..0..0..1..1. .1..0..0..1..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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