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

A250541

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

Terms

    a(0) =187000a(1) =2701872a(2) =23289547a(3) =151170400a(4) =824599694a(5) =4013192386a(6) =18064444143a(7) =76961701472a(8) =315204675572

External references