Row sums of triangle A054453.

Terms

a(0) =1a(1) =3a(2) =7a(3) =16a(4) =34a(5) =70a(6) =140a(7) =274a(8) =527a(9) =999a(10) =1871a(11) =3468a(12) =6371a(13) =11613a(14) =21023a(15) =37826a(16) =67688a(17) =120530a(18) =213670a(19) =377252a(20) =663607a(21) =1163361a(22) =2033101a(23) =3542808a(24) =6157045a(25) =10673703a(26) =18460759a(27) =31859716a(28) =54872158a(29) =94326622