A192604 Number of n X n X n triangular 0..5 arrays with each element equal to at least one neighbor and new values 0..5 introduced in row major order.

0, 1, 12, 572, 173936, 353410332, 4082259110399

Offset

1,3

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for 5 X 5 X 5
......0..........0..........0..........0..........0..........0..........0
.....0.1........0.1........0.1........0.1........0.1........0.1........0.1
....2.2.1......0.1.1......2.2.1......2.1.3......1.1.2......0.1.1......2.2.1
...3.3.4.4....1.2.2.1....0.0.0.3....2.3.3.3....2.2.2.0....2.0.3.1....1.3.4.1
..2.2.4.5.5..1.0.0.0.1..4.4.4.3.3..3.3.3.4.4..0.0.1.1.0..2.0.3.3.1..1.3.4.5.5

Crossrefs

Sequence in context: A227143 A274259 A192603 * A192605 A192606 A179424

Adjacent sequences: A192601 A192602 A192603 * A192605 A192606 A192607

Keyword

nonn

Author

R. H. Hardin, Jul 04 2011

Status

approved