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

A223802

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

Terms

    a(0) =64a(1) =4096a(2) =110116a(3) =1658703a(4) =16979881a(5) =131295500a(6) =818316500a(7) =4293683039a(8) =19561009057a(9) =79169569680a(10) =289707943960a(11) =971844411710

External references