1/6 the number of (n+1)X8 0..2 arrays with every 2X2 subblock containing all three values.
A183601
1/6 the number of (n+1)X8 0..2 arrays with every 2X2 subblock containing all three values.
Terms
- a(0) =47040a(1) =4187499a(2) =325834456a(3) =26108240340
External references
- oeis: A183601