Numbers whose set of base-11 digits is {1,3}.

Terms

a(0) =1a(1) =3a(2) =12a(3) =14a(4) =34a(5) =36a(6) =133a(7) =135a(8) =155a(9) =157a(10) =375a(11) =377a(12) =397a(13) =399a(14) =1464a(15) =1466a(16) =1486a(17) =1488a(18) =1706a(19) =1708a(20) =1728a(21) =1730a(22) =4126a(23) =4128a(24) =4148a(25) =4150a(26) =4368a(27) =4370a(28) =4390a(29) =4392