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A316738
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Number of nX6 0..1 arrays with every element unequal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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5, 157, 509, 392, 25047, 144106, 625739, 8072260, 60509347, 401788861, 3559142414, 28264968587, 212858030531, 1726856604274, 13736918760177, 107239778635445, 852947266604901, 6765163110521794, 53339268912846789, 422445562993184549
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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..1. .0..1..1..1..0..0. .0..0..0..0..0..0. .0..0..0..0..1..1
..1..0..1..1..0..1. .1..0..1..0..1..1. .0..1..1..0..1..0. .0..1..1..0..0..1
..1..1..1..1..1..1. .1..1..1..1..1..1. .0..0..0..0..0..1. .0..0..0..0..0..0
..1..1..0..1..1..0. .1..1..0..1..1..0. .0..1..0..0..1..0. .0..1..0..0..0..1
..0..0..1..1..0..0. .0..0..1..1..0..0. .0..0..0..0..0..0. .0..1..1..0..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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