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A316580
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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
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1
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3, 313, 1312, 15200, 130212, 1216428, 11450072, 105422515, 988545949, 9166436121, 85459418600, 795086199327, 7401342551735, 68898293444004, 641280839223353, 5969509980963051, 55564639563890810, 517217476826806862
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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..1. .0..0..1..1..0. .0..1..0..0..0. .0..0..1..0..1
..0..1..0..0..0. .1..1..1..1..1. .1..0..1..1..0. .1..1..1..0..1
..0..0..0..1..0. .1..1..0..1..1. .0..0..1..1..1. .1..0..1..1..1
..0..1..0..0..0. .0..1..1..0..1. .0..0..0..1..0. .1..1..1..1..0
..0..0..1..1..0. .0..1..1..1..1. .1..1..0..0..1. .1..0..0..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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