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A304852
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Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
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1
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8, 35, 29, 65, 148, 334, 731, 1921, 5171, 14195, 38242, 106896, 300017, 845161, 2376583, 6722804, 19043842, 53987230, 153065671, 434341987, 1232761250, 3499404302, 9935137858, 28211252615, 80109822343, 227487233574, 646021200193
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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..1..1. .0..0..0..1..1. .0..1..1..1..1. .0..0..0..0..1
..0..0..0..0..1. .0..0..0..0..1. .1..1..1..1..1. .0..0..0..0..0
..0..0..0..0..0. .1..0..0..0..0. .1..1..1..1..1. .0..0..0..1..1
..0..0..0..0..0. .0..1..1..1..1. .0..1..1..1..1. .0..0..0..0..0
..0..0..0..0..1. .1..1..1..1..0. .0..0..1..1..0. .0..0..1..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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