Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6.
A251334
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6.
Terms
- a(0) =297057a(1) =17016861a(2) =1196729319a(3) =101704182219
External references
- oeis: A251334