Number of triangular nXnXn 0..5 arrays with all rows and diagonals having the same length having the same sum, with corners zero.

A195802

Number of triangular nXnXn 0..5 arrays with all rows and diagonals having the same length having the same sum, with corners zero.

Terms

    a(0) =1a(1) =1a(2) =6a(3) =216a(4) =5052a(5) =1274808a(6) =6711447312

External references