Number of nX5 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing.

A223861

Number of nX5 0..3 arrays with rows and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =296a(1) =14751a(2) =273959a(3) =3017129a(4) =23738426a(5) =145947740a(6) =740441932a(7) =3217594840a(8) =12305144319a(9) =42270004211a(10) =132509660564a(11) =383868226325

External references