Number of (n+1) X (6+1) 0..3 arrays with nondecreasing 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.

A250851

Number of (n+1) X (6+1) 0..3 arrays with nondecreasing 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) =14400a(1) =103293a(2) =614965a(3) =3204951a(4) =15344785a(5) =69543783a(6) =303858745a(7) =1294875471a(8) =5422612945a(9) =22429374423a(10) =91953454825a(11) =374560079391

External references