Row sums of A054090.

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =32a(5) =130a(6) =652a(7) =3914a(8) =27400a(9) =219202a(10) =1972820a(11) =19728202a(12) =217010224a(13) =2604122690a(14) =33853594972a(15) =473950329610