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A316288
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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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64, 719, 2840, 12454, 164734, 1262767, 10464990, 101136854, 901515338, 8107946080, 74207569963, 676120379468, 6164560394025, 56286220002853, 514605118915259, 4706732283427548, 43060933136041854, 394246533554203877
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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..0..0..0..0..1..1. .0..0..0..1..1..1..0. .0..0..1..1..1..1..1
..0..0..0..0..0..0..1. .0..0..1..0..1..1..0. .0..1..1..1..1..1..1
..0..0..0..0..1..1..1. .0..0..0..1..1..1..0. .1..1..1..1..1..0..1
..1..0..0..0..1..0..1. .0..0..1..0..1..1..0. .1..0..1..0..1..0..0
..1..1..0..0..0..0..1. .0..0..0..1..1..1..0. .0..0..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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