A197788 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,0,2,1,2,0,0 for x=0,1,2,3,4,5,6

1, 5, 14, 63, 513, 10097, 259230, 11938480, 1034835441, 141000000947

Offset

1,2

Comments

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

Links

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

Example

Some solutions with all values from 0 to 6 for 8X8X8
.........0................0................0................2
........2.1..............0.0..............0.2..............2.2
.......2.2.3............0.0.0............0.2.2............0.0.0
......0.4.1.1..........0.0.6.0..........0.0.4.0..........0.0.6.0
.....0.2.2.0.1........0.5.0.0.0........0.0.2.2.1........0.5.0.0.0
....0.0.2.0.2.2......1.2.0.2.2.0......0.6.0.2.1.3......1.2.0.2.2.1
...0.6.0.5.0.2.1....1.2.2.1.2.4.2....2.0.0.5.0.2.1....1.2.2.1.2.4.2
..0.0.0.0.0.0.0.1..1.0.1.3.1.0.2.2..2.2.0.0.0.2.2.0..1.0.1.3.1.0.2.2

Crossrefs

Sequence in context: A333895 A268814 A165517 * A197661 A004030 A256413

Adjacent sequences: A197785 A197786 A197787 * A197789 A197790 A197791

Keyword

nonn

Author

R. H. Hardin Oct 18 2011

Status

approved