Number of nX4 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X5 0..2 array.
A228974
Number of nX4 0..2 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X5 0..2 array.
Terms
- a(0) =81a(1) =6387a(2) =485397a(3) =32175213a(4) =2056956837a(5) =129504297807
External references
- oeis: A228974