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A317602
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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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32, 569, 8872, 143866, 2349106, 40015089, 679103465, 11512061359, 195586936443, 3322899310077, 56438373128526, 958683618871687, 16285233288928179, 276632350626287296, 4699064825018901907, 79821897002306913942
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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..1. .0..0..0..0..1..1. .0..0..0..0..1..0. .0..0..0..0..0..0
..0..0..0..0..1..0. .0..0..1..1..0..1. .0..0..0..0..1..1. .0..0..0..0..1..1
..0..0..1..0..0..0. .0..0..0..0..1..1. .0..0..1..0..0..1. .0..0..1..0..1..0
..0..0..0..0..0..1. .0..0..0..1..1..1. .0..0..0..0..1..1. .0..0..0..0..0..0
..0..1..0..0..0..0. .0..1..0..0..1..1. .1..0..1..0..0..0. .1..0..0..0..1..0
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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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