Number of nX3 0..3 arrays with every repeated value in every row unequal to, and in every column equal to, the previous repeated value, and new values introduced in row-major sequential order.
A268047
Number of nX3 0..3 arrays with every repeated value in every row unequal to, and in every column equal to, the previous repeated value, and new values introduced in row-major sequential order.
Terms
- a(0) =4a(1) =159a(2) =9054a(3) =467899a(4) =22309009a(5) =999810316a(6) =42764566838
External references
- oeis: A268047