A214911 Number of 7X7X7 triangular 0..n arrays with every horizontal row nondecreasing and having the same average value.

2, 578, 13442, 657722, 8943218, 130431428, 1207302502, 10272615125, 64849263302, 384014075750, 1885027008818, 8723067515222, 34924262211422, 133490468673758, 458639082931598, 1515242313469477, 4594326578653430, 13491494779735190

Offset: 1

Author

R. H. Hardin Jul 29 2012

Keywords

• nonn

Comments

Row 7 of A214906

Examples

			Some solutions for n=4
........2..............2..............2..............2..............2
.......0.4............0.4............0.4............0.4............0.4
......1.1.4..........1.1.4..........0.2.4..........1.1.4..........1.1.4
.....2.2.2.2........0.2.3.3........2.2.2.2........0.2.3.3........1.2.2.3
....0.2.2.3.3......0.2.2.3.3......1.1.2.3.3......0.0.3.3.4......0.1.3.3.3
...2.2.2.2.2.2....0.0.2.3.3.4....0.2.2.2.2.4....0.2.2.2.3.3....0.1.1.3.3.4
..0.1.2.2.3.3.3..1.1.1.1.2.4.4..0.1.1.2.2.4.4..0.0.2.2.3.3.4..0.1.1.1.3.4.4
		

Links

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