Row sums of triangle A163772.

Terms

a(0) =1a(1) =11a(2) =73a(3) =403a(4) =2021a(5) =9567a(6) =43611a(7) =193683a(8) =844213a(9) =3629083a(10) =15437951a(11) =65143503a(12) =273148279a(13) =1139548469a(14) =4734740493a(15) =19606960755a(16) =80969809797a(17) =333601494651