Row sums of A102427.

Terms

a(0) =1a(1) =2a(2) =6a(3) =11a(4) =23a(5) =44a(6) =85a(7) =163a(8) =311a(9) =594a(10) =1132a(11) =2158a(12) =4112a(13) =7835a(14) =14928a(15) =28441a(16) =54186a(17) =103234a(18) =196679a(19) =374707a(20) =713880a(21) =1360061a(22) =2591143a(23) =4936559a(24) =9404966a(25) =17918024a(26) =34136814a(27) =65036304a(28) =123904967a(29) =236059552