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A317151
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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32, 284, 1251, 10682, 120427, 960577, 8398085, 79355311, 704559110, 6285452489, 57237767863, 515582176553, 4639154328124, 41932155483798, 378374698881107, 3412436371702947, 30803844913611767, 278001591740834963
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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..1..0..1..0. .0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..1..1..0..0
..0..0..0..0..0..0. .0..1..0..0..1..0. .1..0..1..0..1..0. .1..0..0..0..0..1
..0..0..0..0..0..1. .1..0..0..0..0..0. .0..0..0..0..0..0. .0..0..0..0..0..0
..0..1..0..0..0..1. .0..0..0..0..1..0. .0..0..0..0..0..0. .0..1..0..0..0..0
..0..0..1..0..0..0. .0..1..0..0..0..1. .0..0..1..0..1..1. .0..0..1..0..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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