Number of n X n 0..2 zero-diagonal arrays with corresponding row and column sums equal.
A229415
Number of n X n 0..2 zero-diagonal arrays with corresponding row and column sums equal.
Terms
- a(0) =1a(1) =3a(2) =45a(3) =4743a(4) =3801411a(5) =23938685973
External references
- oeis: A229415