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A275226
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Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,0) and new values introduced in order 0..2.
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1
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122, 7776, 10483, 63267, 640250, 6534900, 67550874, 716735348, 7605814181, 80496567059, 853665236582, 9065417241908, 96259306327146, 1022092822313136, 10854887473630824, 115290893519800111, 1224514266243749236
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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..1..2..1. .0..1..2..0..0..0. .0..1..2..1..1..1. .0..1..2..1..0..1
..1..2..1..2..1..2. .2..2..1..2..1..2. .1..2..1..2..0..0. .1..2..1..2..1..0
..2..1..0..1..0..0. .0..1..2..1..2..1. .2..1..2..0..2..2. .2..1..2..1..2..2
..1..2..1..2..1..2. .1..0..0..2..1..2. .1..2..1..2..1..1. .0..0..1..2..1..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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