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A316874
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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32, 569, 8333, 129974, 1956634, 30894538, 486546897, 7638934647, 120283055361, 1895243968523, 29842332090772, 469905213435541, 7400658538522109, 116551430268916832, 1835472107789693038, 28905788220955382465
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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..1..1..0. .0..0..1..1..1..0. .0..0..1..1..1..1. .0..0..0..0..0..0
..0..1..0..1..0..1. .1..0..0..1..0..0. .1..0..1..1..1..1. .1..0..0..0..1..0
..0..1..0..1..1..0. .0..0..1..1..1..1. .0..0..0..0..1..0. .0..0..1..1..0..1
..0..0..0..1..0..1. .0..0..1..0..1..1. .0..0..0..0..1..1. .0..0..0..0..1..1
..0..0..0..0..1..0. .0..0..0..1..1..0. .0..0..1..0..0..1. .0..0..0..1..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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