Number of 3Xn 0..n arrays with every repeated value in every row greater than or equal to, and every column greater than, the previous repeated value.

A268247

Number of 3Xn 0..n arrays with every repeated value in every row greater than or equal to, and every column greater than, the previous repeated value.

Terms

    a(0) =6a(1) =576a(2) =216000a(3) =197555340a(4) =371713931400

External references