Numbers whose base-2 and base-8 expansions have no digits in common.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =6a(5) =7a(6) =18a(7) =19a(8) =20a(9) =21a(10) =22a(11) =23a(12) =26a(13) =27a(14) =28a(15) =29a(16) =30a(17) =31a(18) =34a(19) =35a(20) =36a(21) =37a(22) =38a(23) =39a(24) =42a(25) =43a(26) =44a(27) =45a(28) =46a(29) =47