Number of (n+1)X(5+1) 0..3 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

A250533

Number of (n+1)X(5+1) 0..3 arrays with nondecreasing max(x(i,j),x(i,j-1)) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Terms

    a(0) =110546a(1) =1767743a(2) =21783369a(3) =226449945a(4) =2039109478a(5) =16593620611a(6) =124278132580a(7) =875253351485

External references