Number of nX6 1..3 arrays containing at least one of each value, and all equal values connected.
A166772
Number of nX6 1..3 arrays containing at least one of each value, and all equal values connected.
Terms
- a(0) =60a(1) =3780a(2) =108456a(3) =2247456a(4) =38813010
External references
- oeis: A166772