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A306058
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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32, 184, 526, 2168, 16833, 99928, 513811, 3086539, 18841620, 107600141, 620569652, 3677697287, 21538095731, 125066191568, 731799182359, 4288741766057, 25039445198605, 146247552076704, 855504338243757, 5001421011839795
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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..0..0..0..0. .0..0..1..1..1..1. .0..0..1..1..0..1. .0..1..0..1..1..1
..1..0..0..0..0..0. .0..0..1..1..1..1. .1..1..1..1..1..0. .0..0..1..1..1..1
..0..0..0..0..1..1. .0..1..1..1..0..0. .1..1..1..1..1..1. .0..1..1..1..1..1
..0..0..0..0..0..0. .1..0..1..1..1..1. .0..0..1..0..1..1. .1..0..1..1..1..0
..1..1..0..0..1..1. .1..1..1..1..0..0. .1..1..1..1..0..1. .1..1..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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