A214378 Number of nXnXn triangular 0..2 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

3, 14, 94, 890, 11700, 211760, 5247716, 177440488, 8167458184, 510966924026, 43400537295428, 5000954304735070, 781294621661114882, 165421229889151981502, 47449951234009109621650

Offset

1,1

Comments

Column 2 of A214384

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

Some solutions for n=3
....1......1......0......0......1......1......2......2......0......1......1
...2.1....0.2....0.1....1.0....1.0....1.0....2.1....2.1....0.2....2.1....2.0
..2.0.2..0.1.2..1.0.1..0.2.0..1.0.2..0.1.0..2.1.2..0.2.1..0.2.1..0.2.1..0.2.0

Crossrefs

Sequence in context: A364629 A074531 A091906 * A094369 A005772 A233083

Adjacent sequences: A214375 A214376 A214377 * A214379 A214380 A214381

Keyword

nonn

Author

R. H. Hardin Jul 14 2012

Status

approved