A214904 Number of nXnXn triangular 0..6 arrays with every horizontal row nondecreasing and having the same average value.
7, 16, 88, 1184, 31412, 1563440, 130431428, 17983769774, 3834925737542, 1241935634661854, 580437179573006186, 386026538656132081970, 351778685344619628965378, 434522760040678152959511554
Offset: 1
Keywords
Examples
Some solutions for n=4 .....5........4........2........3........2........4........3........4 ....4.6......3.5......2.2......0.6......0.4......3.5......2.4......4.4 ...5.5.5....0.6.6....0.2.4....0.4.5....2.2.2....3.3.6....2.3.4....3.4.5 ..4.5.5.6..2.4.5.5..1.1.3.3..0.3.4.5..1.1.2.4..0.4.6.6..1.1.5.5..2.4.4.6
Links
- R. H. Hardin, Table of n, a(n) for n = 1..90
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