A214538 Number of nXnXn triangular 0..6 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

7, 25, 263, 7801, 562559, 98726075, 39956910039

Offset

1,1

Comments

Column 6 of A214540

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=4
.....2........3........2........3........3........2........4........3
....2.2......4.2......3.1......4.2......4.2......1.3......2.6......6.0
...4.2.0....3.4.2....2.3.1....4.3.2....5.2.2....1.5.0....6.0.6....3.6.0
..6.2.0.0..0.4.2.6..4.0.4.0..4.3.2.3..1.5.1.5..0.3.5.0..6.0.4.6..3.3.6.0

Crossrefs

Sequence in context: A197913 A361777 A215058 * A290882 A197651 A198022

Adjacent sequences: A214535 A214536 A214537 * A214539 A214540 A214541

Keyword

nonn

Author

R. H. Hardin Jul 20 2012

Status

approved