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A214590 Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value 1
4, 8, 62, 1862, 187862, 63120962, 71200442882, 272199293130242, 3552472974642762242, 159161446682919676638722, 24593308418551382594861736962, 13156534644821921838477614251069442 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 5 13:15 EST 2020. Contains 338947 sequences. (Running on oeis4.)