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A268168
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Number of nX5 0..3 arrays with every repeated value in every row and column one larger mod 4 than the previous repeated value, and upper left element zero.
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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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LINKS
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EXAMPLE
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Some solutions for n=2
..0..0..3..1..1....0..2..1..0..2....0..1..1..0..3....0..1..0..1..2
..0..2..1..0..2....0..1..0..3..1....2..0..3..2..0....0..3..1..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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