Number of 7Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.

A224379

Number of 7Xn 0..2 arrays with rows unimodal and antidiagonals nondecreasing.

Terms

    a(0) =2187a(1) =419904a(2) =9588028a(3) =86251004a(4) =495660330a(5) =2231009824a(6) =8684742989a(7) =30944246553a(8) =104711652679a(9) =344919346826

External references