Number of nX3 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.
A267930
Number of nX3 0..3 arrays with every repeated value in every row and column greater than the previous repeated value.
Terms
- a(0) =60a(1) =3600a(2) =178068a(3) =8459154a(4) =376812420a(5) =16109362560a(6) =663451196118
External references
- oeis: A267930