|
|
A214589
|
|
Number of nXnXn triangular 0..2 arrays with every horizontal row having the same average value
|
|
1
|
|
|
3, 5, 23, 401, 20351, 2869211, 1127599139, 1248252244661, 3918263795984603, 35080215765450132755, 899912775031092255512711, 66403663756769266442027284403, 14140062564030204365431731967633343
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
|
|
LINKS
|
|
|
EXAMPLE
|
Some solutions for n=4
.....1........1........1........1........1........1........1........1
....1.1......2.0......0.2......0.2......0.2......2.0......0.2......1.1
...2.0.1....2.0.1....1.2.0....2.1.0....1.1.1....2.1.0....1.2.0....0.2.1
..0.2.1.1..1.0.1.2..0.2.2.0..1.2.0.1..2.1.1.0..0.1.1.2..0.2.1.1..0.0.2.2
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|