Number of nX3 0..3 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.
A268007
Number of nX3 0..3 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.
Terms
- a(0) =4a(1) =159a(2) =7445a(3) =381958a(4) =18691624a(5) =911680225a(6) =43653230106
External references
- oeis: A268007