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A197995
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,1,0,2,2,0,0 for x=0,1,2,3,4,5,6
0
1, 7, 33, 379, 9716, 421819, 36368907, 6006706283, 1878638750552
OFFSET
1,2
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 1's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 2's, every 5 is next to 5 0's, every 6 is next to 6 0's
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........0..............0..............1..............2..............0
.......2.0............0.0............0.1............0.0............0.0
......4.2.0..........0.6.0..........1.0.0..........0.1.1..........2.0.2
.....2.2.3.2........2.0.0.0........1.2.5.0........0.5.0.2........2.3.2.4
....0.0.0.0.1......4.2.0.5.0......0.3.0.0.0......0.0.0.3.0......0.0.0.2.2
...1.5.0.6.0.1....2.2.3.2.0.0....0.2.2.0.6.0....0.6.0.2.2.0....0.6.0.5.0.0
..1.0.0.0.0.0.0..0.0.0.1.1.0.2..0.2.4.2.0.0.0..0.0.0.2.4.2.0..2.0.0.0.0.1.1
CROSSREFS
Sequence in context: A333565 A215125 A204706 * A207150 A197565 A202762
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 20 2011
STATUS
approved