A214590 Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value

4, 8, 62, 1862, 187862, 63120962, 71200442882, 272199293130242, 3552472974642762242, 159161446682919676638722, 24593308418551382594861736962, 13156534644821921838477614251069442

Offset

1,1

Comments

Column 3 of A214595

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

Some solutions for n=4
.....2........2........2........2........2........1........2........2
....1.3......1.3......3.1......2.2......3.1......0.2......3.1......2.2
...1.3.2....3.2.1....2.3.1....3.0.3....0.3.3....1.0.2....2.3.1....3.0.3
..1.2.2.3..3.0.3.2..3.2.3.0..0.3.3.2..3.2.1.2..0.0.3.1..3.0.3.2..3.2.0.3

Crossrefs

Sequence in context: A335527 A303284 A275574 * A215713 A120777 A091095

Adjacent sequences: A214587 A214588 A214589 * A214591 A214592 A214593

Keyword

nonn

Author

R. H. Hardin Jul 22 2012

Status

approved