Number of nX4 0..3 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..3 array without adjacent equal elements in the latter.

A229317

Number of nX4 0..3 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..3 array without adjacent equal elements in the latter.

Terms

    a(0) =176a(1) =13968a(2) =717882a(3) =33330044a(4) =1520769276a(5) =69027667944

External references