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A275095
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Number of 7 X n 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.
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1
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365, 104976, 155904, 675600, 4706400, 48675088, 512150588, 5409118916, 58485063272, 627063902032, 6757273029432, 72848042422536, 785795946135408, 8476340619088292, 91452795188833412, 986763165449841128
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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..1. .0..1..1. .0..1..1. .0..0..1. .0..0..1. .0..0..1. .0..0..1
..1..2..2. .0..1..2. .1..0..2. .0..1..1. .2..0..1. .1..1..2. .0..0..2
..1..2..0. .1..2..2. .2..2..0. .0..1..2. .2..2..1. .0..1..2. .0..2..2
..2..2..0. .1..1..0. .0..2..1. .1..1..2. .0..0..1. .1..2..2. .0..2..1
..2..2..1. .1..0..0. .2..1..1. .1..1..2. .2..1..1. .0..2..2. .2..1..1
..1..0..0. .2..0..0. .1..2..0. .1..0..0. .0..1..1. .2..0..1. .2..1..0
..1..0..0. .0..2..1. .1..1..2. .1..2..2. .1..0..2. .0..1..1. .1..0..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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