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A273966
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Number of nX3 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order.
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0
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5, 105, 1946, 24587, 211121, 2116450, 15084593, 112714143, 511843593, 2841058530, 10796121020, 48330908582
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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=4
..0..1..2. .0..1..1. .0..1..2. .0..1..2. .0..1..2. .0..0..0. .0..0..1
..0..2..3. .0..2..3. .1..0..2. .1..3..3. .3..1..2. .1..2..2. .2..3..3
..3..3..1. .3..1..0. .1..0..2. .3..2..0. .2..2..0. .1..3..3. .3..2..0
..0..1..2. .3..1..0. .1..0..2. .0..1..0. .0..3..0. .3..1..0. .3..1..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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