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A203205
Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 4,5,0,1,1,1,1 for x=0,1,2,3,4,5,6
0
1, 4, 9, 18, 342, 3051, 59521, 6281655, 408432954, 45202985205
OFFSET
1,2
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 5's, every 2 is next to 2 0's, every 3 is next to 3 1's, every 4 is next to 4 1's, every 5 is next to 5 1's, every 6 is next to 6 1's
EXAMPLE
Some solutions with all values from 0 to 6 for 7X7X7
........0..............0..............0..............0..............0
.......1.1............1.1............1.1............1.1............1.1
......0.5.1..........1.5.0..........1.5.0..........1.5.0..........0.5.1
.....2.1.1.3........4.1.1.2........3.1.1.2........4.1.1.3........2.1.1.4
....0.1.6.1.0......1.1.6.1.0......0.1.6.1.0......1.1.6.1.1......0.1.6.1.1
...1.5.1.1.5.1....1.5.1.1.5.1....1.5.1.1.5.1....1.5.1.1.5.1....1.5.1.1.5.1
..0.1.1.4.1.1.0..0.1.0.3.1.1.0..0.1.1.4.1.1.0..0.1.0.2.0.1.0..0.1.1.3.0.1.0
CROSSREFS
Sequence in context: A049198 A146303 A344999 * A330375 A147977 A045278
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 30 2011
STATUS
approved