Number of 2*n X n 0..1 arrays with row sums 4 and column sums 8.

A172549

Number of 2*n X n 0..1 arrays with row sums 4 and column sums 8.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =113400a(5) =154700988750

External references