Number of (n+1)X(2+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock equal.
A236731
Number of (n+1)X(2+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock equal.
Terms
- a(0) =345a(1) =2471a(2) =17583a(3) =131147a(4) =975553a(5) =7370761a(6) =55873999a(7) =426890075a(8) =3275546533a(9) =25261075001a(10) =195543845671
External references
- oeis: A236731