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

A224315

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

Terms

    a(0) =2187a(1) =419904a(2) =4634768a(3) =22071219a(4) =80083648a(5) =268379906a(6) =911404794a(7) =3202146197a(8) =11485486125a(9) =41212527412a(10) =145413457614a(11) =498294091308

External references