Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10.
A251518
Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10.
Terms
- a(0) =3798a(1) =227174a(2) =13580282a(3) =811863390a(4) =48535019898
External references
- oeis: A251518