A205079 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,6,2,0,2,0,1 for x=0,1,2,3,4,5,6

1, 2, 8, 59, 708, 16724, 663917, 46008506, 5748823342, 1271086891701

Offset

1,2

Comments

Every 0 is next to 0 6's, every 1 is next to 1 6's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 2's, every 5 is next to 5 0's, every 6 is next to 6 1's

Links

Table of n, a(n) for n=1..10.

Example

Some solutions with all values from 0 to 6 for 7X7X7
........2..............0..............0..............2..............2
.......2.2............1.1............3.0............2.2............2.2
......0.4.0..........1.6.1..........0.5.0..........0.4.0..........0.4.0
.....0.2.2.0........0.1.1.0........0.0.0.0........0.2.2.0........0.2.2.0
....1.1.2.0.0......0.2.2.0.0......0.2.2.1.1......0.0.2.1.1......1.1.2.0.0
...1.6.1.3.5.0....2.4.2.0.5.3....2.4.2.1.6.1....0.5.0.1.6.1....1.6.1.0.5.0
..0.1.1.0.0.0.0..2.2.0.3.0.0.0..2.2.0.0.1.1.0..0.3.0.0.1.1.0..0.1.1.0.3.0.0

Crossrefs

Sequence in context: A214872 A197937 A205076 * A202760 A205075 A203217

Adjacent sequences: A205076 A205077 A205078 * A205080 A205081 A205082

Keyword

nonn

Author

R. H. Hardin Jan 21 2012

Status

approved