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A265217
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Number of (2n-1)X6 0..12n-7 arrays with upper left zero and lower right 12n-7 and each element differing from its horizontal and vertical neighbors by a power of three.
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0
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OFFSET
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1,1
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COMMENTS
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Column 6 of A265218 (nonzero terms).
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LINKS
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EXAMPLE
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Some solutions for n=1
..0..3..4..5..4..5....0..3..0..1..4..5....0..1..4..1..4..5....0..1..4..1..2..5
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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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