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A197932
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,4,2,2,1,0,2 for x=0,1,2,3,4,5,6
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0
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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 4's, every 1 is next to 1 4's, every 2 is next to 2 2's, every 3 is next to 3 2's, every 4 is next to 4 1's, every 5 is next to 5 0's, every 6 is next to 6 2'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 7X7X7
........0..............1..............0..............1..............0
.......0.0............1.4............0.0............4.1............2.0
......0.5.0..........0.1.1..........0.5.0..........1.1.0..........2.2.1
.....0.0.2.2........0.0.0.0........0.0.1.1........0.0.5.0........3.3.4.1
....2.2.1.2.3......0.5.0.2.2......2.2.1.4.1......2.2.0.0.0......2.2.1.1.0
...2.6.2.4.1.2....0.2.0.2.6.2....2.6.2.3.2.0....2.6.2.0.2.0....2.6.2.0.5.0
..0.2.2.1.1.2.2..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.2.2.3.2.2.0..0.2.2.0.0.0.0
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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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