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A222397
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Number of nX3 0..2 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order
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1
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0, 0, 4, 35, 0, 624, 900, 21634, 21224, 609872, 756664, 18326048, 23970800, 543783008, 781519168, 16285754632, 25251222240, 489217824832, 816430181216, 14763821943024, 26347993000448, 447331602311680, 849299259827904
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OFFSET
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1,3
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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..0..0....0..0..0....0..0..0....0..1..2....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....2..2..2....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....2..2..2....1..0..0....0..0..0....0..0..0
..1..2..1....1..1..1....1..0..1....2..2..2....0..0..0....1..1..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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