Number of 5Xn 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.

A223922

Number of 5Xn 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =21a(1) =441a(2) =5548a(3) =48182a(4) =319156a(5) =1721356a(6) =7906972a(7) =31947798a(8) =116289938a(9) =388293504a(10) =1205901516a(11) =3520937666a(12) =9746278721a(13) =25746339006a(14) =65246565981a(15) =159287861727a(16) =375892787585a(17) =859832700375

External references