Partial sums of floor(2^n/127).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =3a(8) =7a(9) =15a(10) =31a(11) =63a(12) =127a(13) =256a(14) =514a(15) =1030a(16) =2062a(17) =4126a(18) =8254a(19) =16510a(20) =33023a(21) =66049a(22) =132101a(23) =264205a(24) =528413a(25) =1056829a(26) =2113661a(27) =4227326a(28) =8454656a(29) =16909316