Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.
A236907
Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.
Terms
- a(0) =19888a(1) =326868a(2) =5345722a(3) =109900910a(4) =2199548878a(5) =48719331954
External references
- oeis: A236907