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A214589 Number of nXnXn triangular 0..2 arrays with every horizontal row having the same average value 1
3, 5, 23, 401, 20351, 2869211, 1127599139, 1248252244661, 3918263795984603, 35080215765450132755, 899912775031092255512711, 66403663756769266442027284403, 14140062564030204365431731967633343 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A214595

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..66

EXAMPLE

Some solutions for n=4

.....1........1........1........1........1........1........1........1

....1.1......2.0......0.2......0.2......0.2......2.0......0.2......1.1

...2.0.1....2.0.1....1.2.0....2.1.0....1.1.1....2.1.0....1.2.0....0.2.1

..0.2.1.1..1.0.1.2..0.2.2.0..1.2.0.1..2.1.1.0..0.1.1.2..0.2.1.1..0.0.2.2

CROSSREFS

Sequence in context: A100703 A137086 A137087 * A309844 A062218 A050280

Adjacent sequences:  A214586 A214587 A214588 * A214590 A214591 A214592

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 22 2012

STATUS

approved

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)