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A222652
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Number of nX3 0..3 arrays with no more than floor(nX3/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order
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1
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2, 60, 1229, 61757, 1073368, 58834301, 1009942505, 57422493141, 983799180734, 57167497637058, 980135963312917, 57773208843439338, 991883494877324788, 59053106469546796413, 1015334132464311393068, 60895702441017443043820
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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..0....0..1..2....0..1..2....0..1..0....0..1..2....0..1..0....0..1..2
..1..1..1....3..3..1....2..0..3....2..2..3....0..3..0....2..1..3....3..0..0
..2..3..0....0..2..0....3..0..1....3..1..1....3..2..1....1..0..2....1..0..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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