Number of 6Xn 0..3 arrays with rows nondecreasing and antidiagonals unimodal.

A224028

Number of 6Xn 0..3 arrays with rows nondecreasing and antidiagonals unimodal.

Terms

    a(0) =4096a(1) =1000000a(2) =30756756a(3) =403836633a(4) =3491241557a(5) =23151623729a(6) =126168072638a(7) =589287463547

External references