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A299752
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Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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64, 3440, 24838, 358219, 7443583, 109073249, 1686794332, 28696396155, 463029637815, 7465606812694, 122633805906241, 2000714756289937, 32584371200903888, 532439043152901356, 8693920144556156550
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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..1..1..1. .0..1..1..1..0..1..1. .0..0..1..1..1..1..1
..0..0..1..1..0..0..1. .0..0..0..1..1..0..0. .0..1..0..1..0..0..0
..0..1..1..1..1..1..0. .0..1..0..1..1..0..1. .0..1..0..0..0..1..1
..0..1..0..1..1..1..1. .0..1..1..0..1..1..1. .0..1..1..0..0..0..1
..0..0..1..0..0..1..0. .0..0..1..1..0..1..0. .0..0..1..0..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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