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A305358
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Number of nX6 0..1 arrays with every element unequal to 0, 2, 3, 5 or 8 king-move adjacent elements, with upper left element zero.
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1
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1, 49, 53, 115, 271, 538, 1476, 3001, 8018, 19631, 49142, 121150, 301994, 755291, 1883016, 4721904, 11811102, 29624570, 74283952, 186275585, 467396085, 1172634363, 2942953196, 7385641030, 18537581048, 46532964358, 116809764471
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OFFSET
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1,2
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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..0..0..0..1. .0..1..1..0..0..1. .0..0..1..1..0..1. .0..0..0..0..0..0
..1..1..0..1..1..0. .1..0..0..1..0..0. .0..0..1..0..0..1. .1..1..0..1..1..1
..0..0..1..1..0..0. .0..1..1..0..1..0. .0..0..0..1..1..0. .1..0..1..0..1..0
..0..1..1..0..1..1. .0..0..1..0..1..1. .0..0..1..0..0..1. .0..0..1..0..0..0
..1..0..0..0..1..0. .1..1..0..0..1..0. .1..1..0..1..1..0. .1..0..1..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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