Row sums of triangle A117335.

Terms

a(0) =1a(1) =2a(2) =1a(3) =4a(4) =-9a(5) =62a(6) =-399a(7) =3048a(8) =-26045a(9) =247298a(10) =-2582027a(11) =29416876a(12) =-363327081a(13) =4837734374a(14) =-69105690039