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
Keywords
Examples
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
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
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