A214380 Number of nXnXn triangular 0..4 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.

5, 60, 1506, 74260, 6981540, 1232720402, 405643523920, 247808504584204, 280544568122925740, 588171370513791301320

Offset: 1

Author

R. H. Hardin Jul 14 2012

Keywords

• nonn

Comments

Column 4 of A214384

Examples

			Some solutions for n=3
....2......1......3......1......4......0......2......1......1......2......1
...2.0....1.0....3.4....0.2....3.4....0.3....3.2....2.1....0.2....1.4....0.2
..4.1.0..2.0.3..2.4.3..0.3.0..1.4.0..0.2.3..4.1.3..2.1.3..0.2.4..3.0.4..0.2.3