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A303105
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Number of 5Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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0, 111, 2869, 49534, 1138331, 25372284, 568099880, 12700233541, 284202349097, 6359037680577, 142285824095768, 3183697496083230, 71236519396617958, 1593945862977398560, 35665181412067143397, 798022847623306938661
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OFFSET
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1,2
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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..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..1..0..1..0. .0..1..0..0..1. .1..0..0..1..0. .0..1..0..1..1
..0..0..1..1..1. .0..0..1..1..0. .0..1..1..1..1. .1..1..1..0..1
..0..0..1..0..1. .1..1..1..0..1. .0..1..1..0..0. .1..0..1..0..1
..0..1..0..0..0. .1..0..0..0..0. .0..0..0..1..0. .0..1..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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