Numbers whose set of base-8 digits is {1,2}.

Terms

a(0) =1a(1) =2a(2) =9a(3) =10a(4) =17a(5) =18a(6) =73a(7) =74a(8) =81a(9) =82a(10) =137a(11) =138a(12) =145a(13) =146a(14) =585a(15) =586a(16) =593a(17) =594a(18) =649a(19) =650a(20) =657a(21) =658a(22) =1097a(23) =1098a(24) =1105a(25) =1106a(26) =1161a(27) =1162a(28) =1169a(29) =1170