Number of n X 4 1..3 arrays containing at least one of each value, and all equal values connected.
A166767
Number of n X 4 1..3 arrays containing at least one of each value, and all equal values connected.
Terms
- a(0) =18a(1) =642a(2) =8100a(3) =64980a(4) =410832a(5) =2247456a(6) =11162262a(7) =51747942a(8) =227868462
External references
- oeis: A166767