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A297975
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Number of nX5 0..1 arrays with every element equal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
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1
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0, 17, 124, 1042, 18037, 242401, 3565760, 52222182, 765460393, 11253972992, 165400929373, 2431933880974, 35759258361744, 525820993876810, 7732091729068983, 113699273672915816, 1671937140248538469
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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..1..1..0. .0..0..0..1..1. .0..1..1..0..0. .0..0..0..0..0
..1..0..1..0..0. .0..1..1..0..1. .0..0..1..0..1. .0..1..0..1..0
..1..1..0..1..1. .1..1..1..0..1. .1..1..0..1..1. .1..0..1..1..1
..1..1..0..0..1. .0..1..0..1..0. .1..0..0..1..1. .0..1..1..0..0
..1..0..0..0..0. .0..0..0..0..0. .1..1..0..0..1. .0..0..0..0..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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