A197962 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,1,2,0,1,0,2 for x=0,1,2,3,4,5,6

1, 5, 29, 432, 13645, 931718, 133709280, 40405952450, 25811347705734

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..9.

Example

Some solutions with all values from 0 to 6 for 7X7X7
........0..............0..............0..............0..............0
.......1.0............0.1............1.1............2.2............2.2
......1.4.1..........1.4.1..........0.4.0..........0.2.1..........2.6.2
.....2.2.1.0........0.1.0.3........0.1.1.0........0.1.4.1........0.2.2.0
....2.6.2.0.0......2.2.0.0.0......2.2.0.0.3......2.2.1.0.0......0.5.0.1.1
...1.2.2.0.5.0....2.6.2.5.0.3....2.6.2.5.0.1....2.6.2.0.5.3....3.0.0.3.4.0
..1.0.0.0.0.3.0..0.2.2.0.0.3.0..0.2.2.0.0.1.0..0.2.2.0.0.0.0..0.1.1.0.1.1.0

Crossrefs

Sequence in context: A103515 A198054 A202758 * A259534 A176680 A352948

Adjacent sequences: A197959 A197960 A197961 * A197963 A197964 A197965

Keyword

nonn

Author

R. H. Hardin Oct 19 2011

Status

approved