Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.
A237006
Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =3518120a(1) =760932408a(2) =158569999540
External references
- oeis: A237006