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A198053
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Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,2,1,1,1,0,1 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 3's, every 1 is next to 1 2's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1'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 7X7X7
........2..............2..............0..............2..............0
.......1.1............1.1............2.1............1.1............1.2
......1.6.1..........1.6.1..........0.1.3..........1.6.1..........3.1.0
.....2.1.1.2........2.1.1.2........2.0.1.2........2.1.1.2........2.1.0.2
....0.0.4.0.0......0.0.4.3.2......1.1.4.1.0......2.3.4.0.0......0.1.4.1.1
...2.1.1.1.5.0....0.5.1.1.1.1....1.6.1.0.5.0....1.1.1.1.5.0....0.5.0.1.6.1
..0.1.3.2.0.0.0..0.0.0.2.0.0.0..2.1.1.2.0.0.0..0.0.0.2.0.0.0..0.0.0.2.1.1.2
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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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