Number of triangular nXnXn 0..3 arrays with all rows and diagonals having the same length having the same sum, with corners zero.
A195800
Number of triangular nXnXn 0..3 arrays with all rows and diagonals having the same length having the same sum, with corners zero.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =64a(4) =496a(5) =24928a(6) =17528896a(7) =3850960912
External references
- oeis: A195800