Number of n X n 0..2 arrays with row sums equal and no column sum equal to the previous.
A202712
Number of n X n 0..2 arrays with row sums equal and no column sum equal to the previous.
Terms
- a(0) =3a(1) =10a(2) =624a(3) =173860a(4) =421158558
External references
- oeis: A202712