Number of nXnXn triangular 0..3 arrays with every horizontal row nondecreasing and having the same average value.
A214901
Number of nXnXn triangular 0..3 arrays with every horizontal row nondecreasing and having the same average value.
Terms
- a(0) =4a(1) =6a(2) =14a(3) =50a(4) =242a(5) =1682a(6) =13442a(7) =134402a(8) =1612802a(9) =22579202a(10) =361267202a(11) =6864076802a(12) =144145612802
External references
- oeis: A214901