Number of 4Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns.
A203034
Number of 4Xn 0..3 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =4a(1) =356a(2) =50716a(3) =7788648a(4) =1267847188a(5) =219705087676
External references
- oeis: A203034