Number of n X n 0..2 arrays with corresponding row and column sums equal.
A229866
Number of n X n 0..2 arrays with corresponding row and column sums equal.
Terms
- a(0) =3a(1) =27a(2) =1215a(3) =384183a(4) =923742873
External references
- oeis: A229866
A229866
Number of n X n 0..2 arrays with corresponding row and column sums equal.