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A197897
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 2,0,3,0,0,0,1 for x=0,1,2,3,4,5,6
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0
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1, 4, 13, 125, 1826, 50100, 2541794, 233735998, 39661226385, 12346720856036, 7053348690282698
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OFFSET
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1,2
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COMMENTS
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Every 0 is next to 0 2's, every 1 is next to 1 0's, every 2 is next to 2 3's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 0's, every 6 is next to 6 1's
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LINKS
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EXAMPLE
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Some solutions with all values from 0 to 6 for 8X8X8
.........0................1................1................0
........1.1..............0.1..............0.1..............0.0
.......1.6.1............0.3.2............0.3.2............0.3.1
......0.1.1.0..........0.0.3.1..........0.0.3.1..........0.3.2.1
.....1.1.2.3.0........0.4.0.0.3........0.4.0.0.3........4.0.1.1.0
....1.1.1.3.0.0......1.1.1.4.0.0......1.1.1.4.0.0......0.0.3.2.1.1
...3.0.4.0.0.5.3....1.6.1.3.0.5.3....1.6.1.3.0.5.0....0.5.0.3.1.6.1
..0.0.0.0.4.0.0.0..0.1.1.0.0.0.0.0..0.1.1.0.0.3.0.0..0.0.3.0.0.1.1.0
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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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