Powers of 2 written in base 9.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =17a(5) =35a(6) =71a(7) =152a(8) =314a(9) =628a(10) =1357a(11) =2725a(12) =5551a(13) =12212a(14) =24424a(15) =48848a(16) =108807a(17) =218715a(18) =438531a(19) =878162a(20) =1867334a(21) =3845668a(22) =7802447a(23) =16705005a(24) =34511011a(25) =70122022a(26) =150244044a(27) =310488088a(28) =621087187a(29) =1342185385