Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal.
A236974
Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =1238a(1) =9854a(2) =76212a(3) =635960a(4) =5259146a(5) =44597946a(6) =376887360a(7) =3222991866a(8) =27520095568a(9) =236568864708
External references
- oeis: A236974