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A265422
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Number of 5Xn arrays containing n copies of 0..5-1 with no equal horizontal, vertical, diagonal or antidiagonal neighbors and new values introduced sequentially from 0.
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0
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1, 48, 225, 8708, 79026, 2108980, 28314236, 639018151, 10652923659, 224611274898, 4205037878532, 86943916408794, 1731464344049192, 35851466896552009
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0..1..0..2..0....0..1..2..3..4....0..1..0..2..0....0..1..2..1..0
..3..2..3..4..3....2..3..4..1..0....2..3..4..3..4....3..4..0..4..2
..1..4..1..2..1....4..1..0..3..2....4..1..2..1..2....2..1..3..1..3
..0..3..0..3..4....2..3..4..1..4....3..0..3..0..3....4..0..4..0..4
..4..2..4..2..1....0..1..2..0..3....4..1..4..2..1....3..2..1..3..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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