Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 2 3 4 5 or 6.
A251384
Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to 2 3 4 5 or 6.
Terms
- a(0) =571a(1) =12457a(2) =271393a(3) =5914339a(4) =128887759a(5) =2808783981a(6) =61210372853
External references
- oeis: A251384