Number of n X n 0..2 arrays with row sums 11 and column sums 11.

A172621

Number of n X n 0..2 arrays with row sums 11 and column sums 11.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =720a(6) =3758757240

External references