Number of (5+1)X(n+1) 0..2 arrays with nondecreasing min(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.

A250999

Number of (5+1)X(n+1) 0..2 arrays with nondecreasing min(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) =8726a(1) =80133a(2) =542834a(3) =3184615a(4) =16381510a(5) =77449279a(6) =340511877a(7) =1418373594a(8) =5646595120a(9) =21681643406a(10) =80767898505a(11) =293418074506

External references