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A299680
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Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.
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1
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32, 157, 506, 7279, 95471, 1247427, 16311888, 226655504, 3113437608, 41809837228, 570056836533, 7801438087684, 105925137297779, 1440713011938471, 19644402721962906, 267406292450499495, 3638814860392154947
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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..1..0..0. .0..0..0..1..0..1. .0..1..1..1..0..1. .0..0..1..0..1..0
..0..1..0..1..0..1. .1..1..1..0..1..0. .1..1..1..0..0..1. .1..1..1..0..1..1
..1..0..0..0..0..0. .0..0..0..0..1..1. .0..0..0..0..0..1. .0..1..1..1..1..1
..1..0..0..0..0..0. .1..0..0..0..0..0. .1..0..0..1..0..1. .0..1..1..0..1..0
..0..1..1..0..0..1. .0..0..0..1..1..0. .1..0..1..0..1..0. .0..1..0..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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