Number of n X n 0..4 arrays with row sums 6 and column sums 6.

A172811

Number of n X n 0..4 arrays with row sums 6 and column sums 6.

Terms

    a(0) =0a(1) =3a(2) =217a(3) =91140a(4) =128843140a(5) =511508441781

External references