A214910 Number of 6X6X6 triangular 0..n arrays with every horizontal row nondecreasing and having the same average value.
2, 146, 1682, 29162, 210914, 1563440, 8156190, 40258709, 158198222, 595338230, 1928269526, 6018440390, 16759097486, 45277885958, 112522145318, 272384422903, 616484632830, 1366517073926, 2868519969642, 5914643033078, 11661558993698
Offset: 1
Keywords
Examples
Some solutions for n=4 .......2............2............2............2............3............1 ......2.2..........1.3..........0.4..........1.3..........2.4..........0.2 .....1.1.4........0.3.3........1.2.3........1.2.3........2.3.4........1.1.1 ....0.1.3.4......2.2.2.2......0.1.3.4......1.2.2.3......0.4.4.4......0.1.1.2 ...0.1.3.3.3....2.2.2.2.2....2.2.2.2.2....0.1.1.4.4....1.3.3.4.4....0.0.1.2.2 ..0.1.1.3.3.4..2.2.2.2.2.2..0.0.2.2.4.4..0.0.2.2.4.4..1.2.3.4.4.4..0.0.0.2.2.2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments