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A317001
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Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
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1
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16, 420, 4905, 65047, 854383, 11158663, 146589898, 1924812465, 25259268302, 331644445546, 4353940658716, 57158649892483, 750406973765322, 9851614911662910, 129335524037159567, 1697967089691191749
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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..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..1. .0..0..1..0..1. .1..1..0..0..1. .0..0..1..0..0
..1..0..0..0..1. .1..0..0..0..1. .1..1..1..1..1. .0..0..0..0..0
..1..1..0..1..1. .1..1..0..0..0. .1..1..1..0..0. .1..1..0..1..0
..1..1..1..0..1. .0..1..1..1..1. .0..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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