Row sums of triangle in A144480.

Terms

a(0) =1a(1) =2a(2) =6a(3) =14a(4) =36a(5) =82a(6) =196a(7) =436a(8) =1000a(9) =2186a(10) =4884a(11) =10540a(12) =23128a(13) =49428a(14) =107048a(15) =227048a(16) =486864a(17) =1026394a(18) =2183860a(19) =4581244a(20) =9686776a(21) =20237372a(22) =42571896a(23) =88632664a(24) =185653936a(25) =385380932a(26) =804316296a(27) =1665340856a(28) =3464899440a(29) =7158117736