Number of 5Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing.

A223868

Number of 5Xn 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =56a(1) =3136a(2) =93731a(3) =1771012a(4) =23738426a(5) =243933798a(6) =2030417942a(7) =14256118510a(8) =87061570336a(9) =473468963674

External references