Number of 2*n X n 0..1 arrays with row sums 6 and column sums 12.

A172552

Number of 2*n X n 0..1 arrays with row sums 6 and column sums 12.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =681080400

External references