8th column of A172119.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =128a(8) =255a(9) =508a(10) =1012a(11) =2016a(12) =4016a(13) =8000a(14) =15936a(15) =31744a(16) =63233a(17) =125958a(18) =250904a(19) =499792a(20) =995568a(21) =1983136a(22) =3950336a(23) =7868928a(24) =15674623a(25) =31223288a(26) =62195672a(27) =123891552a(28) =246787536a(29) =491591936