A214909 Number of 5X5X5 triangular 0..n arrays with every horizontal row nondecreasing and having the same average value

2, 38, 242, 1802, 7550, 31412, 100350, 310079, 811472, 2065406, 4695974, 10458806, 21370898, 42897546, 80938346, 150245395, 265231474, 462690716, 774729470, 1283610082, 2057355212, 3266479406, 5043183866, 7727895633, 11557992252

Offset

1,1

Comments

Row 5 of A214906

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
......2..........2..........2..........2..........2..........2..........2
.....2.2........1.3........2.2........1.3........2.2........2.2........1.3
....2.2.2......0.3.3......1.2.3......1.1.4......2.2.2......1.1.4......1.2.3
...1.1.3.3....1.1.3.3....0.1.3.4....1.1.3.3....0.2.3.3....0.1.3.4....0.2.2.4
..1.1.2.3.3..0.1.2.3.4..0.0.2.4.4..1.2.2.2.3..0.2.2.3.3..1.1.2.3.3..0.1.1.4.4

Crossrefs

Sequence in context: A364714 A105645 A098456 * A226402 A217214 A303618

Adjacent sequences: A214906 A214907 A214908 * A214910 A214911 A214912

Keyword

nonn

Author

R. H. Hardin Jul 29 2012

Status

approved