Number of nX4 0..3 arrays with row sums equal and column sums equal.
A202682
Number of nX4 0..3 arrays with row sums equal and column sums equal.
Terms
- a(0) =4a(1) =96a(2) =832a(3) =89520a(4) =389704a(5) =39506424a(6) =235092820a(7) =84143001856a(8) =158178730792
External references
- oeis: A202682