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A214901
Number of nXnXn triangular 0..3 arrays with every horizontal row nondecreasing and having the same average value
1
4, 6, 14, 50, 242, 1682, 13442, 134402, 1612802, 22579202, 361267202, 6864076802, 144145612802, 3459494707202, 93406357094402, 2802190712832002, 92472293523456002, 3421474860367872002, 136858994414714880002
OFFSET
1,1
COMMENTS
Column 3 of A214906
LINKS
EXAMPLE
Some solutions for n=4
.....1........1........1........2........1........2........1........1
....1.1......1.1......0.2......2.2......0.2......2.2......0.2......1.1
...1.1.1....0.1.2....0.0.3....0.3.3....0.0.3....1.2.3....0.1.2....1.1.1
..0.1.1.2..0.1.1.2..0.1.1.2..0.2.3.3..1.1.1.1..0.2.3.3..0.0.2.2..0.0.2.2
CROSSREFS
Sequence in context: A277059 A096003 A114058 * A357808 A365074 A284123
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 29 2012
STATUS
approved