Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value.
A214590
Number of nXnXn triangular 0..3 arrays with every horizontal row having the same average value.
Terms
- a(0) =4a(1) =8a(2) =62a(3) =1862a(4) =187862a(5) =63120962a(6) =71200442882
External references
- oeis: A214590