Number of nX7 0..3 arrays with rows unimodal and columns nondecreasing.

A223986

Number of nX7 0..3 arrays with rows unimodal and columns nondecreasing.

Terms

    a(0) =1163a(1) =165212a(2) =8350154a(3) =219861244a(4) =3661410444a(5) =43307637038a(6) =392525216516

External references