Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
A237311
Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =7398a(1) =120650a(2) =1928204a(3) =33313192a(4) =564748168a(5) =9923274434a(6) =171975075815
External references
- oeis: A237311