Number of nX6 0..3 arrays with row sums equal and column sums unequal to adjacent columns.
A203030
Number of nX6 0..3 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =972a(1) =690204a(2) =396419436a(3) =219705087676
External references
- oeis: A203030