Number of 2*n X n 0..3 arrays with row sums 4 and column sums 8.
A172751
Number of 2*n X n 0..3 arrays with row sums 4 and column sums 8.
Terms
- a(0) =0a(1) =19a(2) =81225a(3) =3017084995
External references
- oeis: A172751
A172751
Number of 2*n X n 0..3 arrays with row sums 4 and column sums 8.