Number of n X 4 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing.

A224046

Number of n X 4 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing.

Terms

    a(0) =130a(1) =4580a(2) =67585a(3) =638996a(4) =4646480a(5) =28403642a(6) =153482649a(7) =753824187a(8) =3415377142a(9) =14392067725a(10) =56709869639a(11) =209870332819a(12) =732443566502

External references