Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.
A251494
Number of (n+1)X(3+1) 0..3 arrays with every 2X2 subblock summing to 4 5 6 7 or 8.
Terms
- a(0) =27844a(1) =3361296a(2) =411510096a(3) =50511532876
External references
- oeis: A251494