Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 3 4 or 5.
A251347
Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 3 4 or 5.
Terms
- a(0) =11709a(1) =663307a(2) =39019417a(3) =2324761359a(4) =139048718681
External references
- oeis: A251347