A214903 Number of nXnXn triangular 0..5 arrays with every horizontal row nondecreasing and having the same average value.
6, 12, 50, 458, 7550, 210914, 8943218, 560965610, 49301091506, 5963375071586, 960019298157026, 203519951213429090, 55357173186669891938, 19153563370287789473858, 8293491297187189536699650
Offset: 1
Keywords
Examples
Some solutions for n=4 .....4........2........3........4........4........3........3........4 ....4.4......0.4......2.4......3.5......3.5......3.3......1.5......3.5 ...3.4.5....1.2.3....2.2.5....3.4.5....3.4.5....3.3.3....2.3.4....4.4.4 ..4.4.4.4..0.0.3.5..2.3.3.4..3.4.4.5..3.3.5.5..1.3.4.4..3.3.3.3..3.3.5.5
Links
- R. H. Hardin, Table of n, a(n) for n = 1..107
Comments