Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock equal.
A237171
Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =11242a(1) =370670a(2) =11560002a(3) =398902424a(4) =13627618416a(5) =478901830764
External references
- oeis: A237171