Number of (n+1)X9 0..6 arrays with every 2x2 subblock summing to 12.
A183671
Number of (n+1)X9 0..6 arrays with every 2x2 subblock summing to 12.
Terms
- a(0) =64979929a(1) =129463663a(2) =311907001a(3) =870960607a(4) =2719942729
External references
- oeis: A183671