A214349 Number of nXnXn triangular 0..5 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors

6, 106, 4822, 529006, 135538054, 79817831414, 107180513854464, 326914413025767444, 2261157562438763862818

Offset

1,1

Comments

Column 5 of A214352

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=3
....1......2......4......3......1......5......0......2......1......1......4
...4.1....2.2....5.2....5.2....4.1....5.3....0.3....3.0....2.1....2.1....4.1
..0.5.1..3.2.1..3.5.0..5.2.3..3.5.0..5.4.3..1.0.5..3.0.4..4.2.1..0.4.0..5.4.0

Crossrefs

Sequence in context: A055763 A213464 A213465 * A305134 A083432 A006453

Adjacent sequences: A214346 A214347 A214348 * A214350 A214351 A214352

Keyword

nonn

Author

R. H. Hardin Jul 13 2012

Status

approved