A197627 Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 6,0,1,5,5,2,3 for x=0,1,2,3,4,5,6

1, 4, 10, 44, 294, 1639, 17209, 204733, 3118828, 68133946, 1822198573

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for 5X5X5
......0..........0..........0..........1..........0..........0..........1
.....0.0........1.1........1.2........2.0........1.2........1.2........2.0
....2.2.2......2.2.2......2.1.0......1.2.1......2.2.1......2.2.1......2.1.1
...1.1.1.1....1.0.2.1....0.2.2.0....1.0.2.2....1.2.0.1....1.0.0.1....1.2.2.2
..0.2.0.2.0..2.1.1.2.0..0.0.1.2.1..2.1.2.1.0..0.1.2.1.2..2.1.2.1.2..1.0.0.0.1

Crossrefs

Sequence in context: A122648 A058819 A052394 * A066229 A149226 A155386

Adjacent sequences: A197624 A197625 A197626 * A197628 A197629 A197630

Keyword

nonn

Author

R. H. Hardin Oct 16 2011

Status

approved