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A304345
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero.
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1
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32, 284, 613, 4733, 27505, 135445, 741942, 4355191, 24554331, 139375272, 804302231, 4642202166, 26767954210, 154996276426, 898640317819, 5213503303962, 30283849252967, 176049152408097, 1024019896746808
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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..1..0. .0..1..0..0..0..0. .0..1..0..1..0..0. .0..0..0..0..1..1
..0..0..0..0..0..1. .0..0..0..0..1..1. .1..0..0..0..0..0. .1..0..1..1..1..0
..0..0..0..0..1..1. .1..0..0..0..1..1. .0..0..0..0..0..0. .0..1..1..1..1..1
..1..0..0..0..1..1. .0..0..0..0..0..1. .1..0..0..0..0..0. .1..1..1..1..1..1
..0..0..0..0..0..0. .0..0..1..0..0..1. .0..1..0..1..1..0. .1..0..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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