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A275351
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Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.
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1
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365, 104976, 235072, 1530060, 20917472, 351504904, 5814135340, 101593710948, 1804283175916, 31575745629020, 553989175825432, 9795187879275832, 173209703832176748, 3054645736558927796, 53918074086885218288
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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..0..0..0..0..1. .0..0..1..2..1..2..1. .0..1..2..1..2..2..1
..2..1..2..1..1..1..1. .2..0..1..2..0..1..2. .2..0..1..0..1..2..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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