Row sums of triangle A131402.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =21a(5) =44a(6) =93a(7) =196a(8) =411a(9) =856a(10) =1771a(11) =3642a(12) =7451a(13) =15178a(14) =30809a(15) =62358a(16) =125921a(17) =253800a(18) =510777a(19) =1026704a(20) =2061751a(21) =4137012a(22) =8295895a(23) =16627190a(24) =33311671a(25) =66716054a(26) =133582133a(27) =267407026a(28) =535206861a(29) =1071049316