|
|
A214590
|
|
Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value
|
|
1
|
|
|
4, 8, 62, 1862, 187862, 63120962, 71200442882, 272199293130242, 3552472974642762242, 159161446682919676638722, 24593308418551382594861736962, 13156534644821921838477614251069442
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
.....2........2........2........2........2........1........2........2
....1.3......1.3......3.1......2.2......3.1......0.2......3.1......2.2
...1.3.2....3.2.1....2.3.1....3.0.3....0.3.3....1.0.2....2.3.1....3.0.3
..1.2.2.3..3.0.3.2..3.2.3.0..0.3.3.2..3.2.1.2..0.0.3.1..3.0.3.2..3.2.0.3
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|