A214537 Number of nXnXn triangular 0..5 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value

6, 18, 152, 3198, 155102, 15986168, 3442622120, 1522001775744

Offset

1,1

Comments

Column 5 of A214540

Links

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

Example

Some solutions for n=4
.....1........2........2........2........2........2........2........2
....1.1......2.2......2.2......2.2......1.3......1.3......2.2......1.3
...2.0.1....2.1.3....2.2.2....1.2.3....1.4.1....3.0.3....4.2.0....1.0.5
..2.1.0.1..2.1.4.1..0.2.4.2..0.3.1.4..0.4.4.0..3.0.1.4..5.1.2.0..2.1.0.5

Crossrefs

Sequence in context: A027744 A196868 A077531 * A052634 A377532 A059944

Adjacent sequences: A214534 A214535 A214536 * A214538 A214539 A214540

Keyword

nonn

Author

R. H. Hardin Jul 20 2012

Status

approved