Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.
A236820
Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =2211a(2) =168564a(3) =36874967a(4) =21755065689
External references
- oeis: A236820