Binomial transform of A088689.

Terms

a(0) =0a(1) =1a(2) =3a(3) =6a(4) =12a(5) =27a(6) =63a(7) =141a(8) =297a(9) =594a(10) =1146a(11) =2169a(12) =4095a(13) =7827a(14) =15291a(15) =30582a(16) =62256a(17) =127791a(18) =262143a(19) =534129a(20) =1078101a(21) =2156202a(22) =4282878a(23) =8477181a(24) =16777215a(25) =33288711a(26) =66311703a(27) =132623406a(28) =266043972a(29) =534479427