A214382 Number of nXnXn triangular 0..6 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

7, 154, 9044, 1305392, 444106514, 348440388682, 623154633711990, 2524511446890998160

Offset

1,1

Comments

Column 6 of A214384

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for n=3
....3......1......1......4......2......2......4......2......3......2......1
...0.3....1.3....0.1....2.4....2.4....2.6....1.5....4.0....3.6....5.1....2.1
..0.4.2..6.0.4..4.0.1..0.2.4..2.6.4..0.3.6..3.1.5..4.0.2..2.6.0..5.2.0..2.4.0

Crossrefs

Sequence in context: A229711 A296232 A279662 * A141835 A111831 A288545

Adjacent sequences: A214379 A214380 A214381 * A214383 A214384 A214385

Keyword

nonn

Author

R. H. Hardin Jul 14 2012

Status

approved