Numbers whose set of base-12 digits is {1,3}.

Terms

a(0) =1a(1) =3a(2) =13a(3) =15a(4) =37a(5) =39a(6) =157a(7) =159a(8) =181a(9) =183a(10) =445a(11) =447a(12) =469a(13) =471a(14) =1885a(15) =1887a(16) =1909a(17) =1911a(18) =2173a(19) =2175a(20) =2197a(21) =2199a(22) =5341a(23) =5343a(24) =5365a(25) =5367a(26) =5629a(27) =5631a(28) =5653a(29) =5655