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A275350
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Number of nX6 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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122, 17496, 43712, 239112, 2292520, 26615196, 306863916, 3682615020, 45094867336, 548546009720, 6672893379012, 81689346860320, 1000861101302288, 12247744575368296, 149860413965057960, 1835629996533353880
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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=3
..0..1..2..0..2..1. .0..1..2..1..2..0. .0..1..1..1..1..1. .0..1..0..0..0..2
..1..0..1..0..1..2. .2..2..1..2..1..2. .1..1..1..2..2..2. .0..2..2..0..1..1
..2..1..2..1..2..1. .2..1..0..1..2..1. .0..2..2..0..2..0. .2..1..2..1..1..2
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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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