Number of (n+1)X(7+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
A236986
Number of (n+1)X(7+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =680872a(1) =12891190a(2) =180781130a(3) =8305755418a(4) =246840494018
External references
- oeis: A236986