Number of 4Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
A203494
Number of 4Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =3a(1) =82a(2) =3760a(3) =173860a(4) =8518564a(5) =442135180a(6) =24148894412
External references
- oeis: A203494