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A232381
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Number of 6Xn 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, diagonally or antidiagonally, and no adjacent values equal
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1
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1, 3794, 292122, 14297980, 789866870, 47301712998, 2824295623804, 167360596895808, 9942352809180050, 591329072696504102, 35169449829022038068, 2091545018566304198936, 124389459762131184280364
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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=2
..3..2....3..2....0..2....2..3....2..1....3..2....3..0....0..1....2..3....3..2
..1..2....1..0....3..1....2..3....0..3....1..2....1..2....2..3....2..1....1..2
..3..2....3..2....2..1....2..3....2..3....3..2....1..3....2..1....0..3....3..0
..3..2....1..0....2..3....2..1....2..1....1..0....1..2....2..1....2..1....1..2
..3..2....3..0....2..1....0..1....0..1....3..0....3..2....2..3....0..1....1..0
..1..0....1..2....2..3....2..3....2..3....1..2....1..2....2..1....3..2....2..3
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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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