Numbers whose set of base-15 digits is {1,2}.

Terms

a(0) =1a(1) =2a(2) =16a(3) =17a(4) =31a(5) =32a(6) =241a(7) =242a(8) =256a(9) =257a(10) =466a(11) =467a(12) =481a(13) =482a(14) =3616a(15) =3617a(16) =3631a(17) =3632a(18) =3841a(19) =3842a(20) =3856a(21) =3857a(22) =6991a(23) =6992a(24) =7006a(25) =7007a(26) =7216a(27) =7217a(28) =7231a(29) =7232