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 absolute value of x(i,j)-x(i-1,j) in the j direction.

A250673

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 absolute value of x(i,j)-x(i-1,j) in the j direction.

Terms

    a(0) =120233a(1) =2406972a(2) =38224684a(3) =505108522a(4) =5803025694a(5) =59036115470a(6) =542694735983

External references