Number of triangular nXnXn 0..7 arrays with all rows and diagonals having the same length having the same sum, with corners zero.

A195804

Number of triangular nXnXn 0..7 arrays with all rows and diagonals having the same length having the same sum, with corners zero.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =512a(4) =27412a(5) =21779968a(6) =479534519840

External references