Numbers whose set of base-12 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =13a(3) =16a(4) =49a(5) =52a(6) =157a(7) =160a(8) =193a(9) =196a(10) =589a(11) =592a(12) =625a(13) =628a(14) =1885a(15) =1888a(16) =1921a(17) =1924a(18) =2317a(19) =2320a(20) =2353a(21) =2356a(22) =7069a(23) =7072a(24) =7105a(25) =7108a(26) =7501a(27) =7504a(28) =7537a(29) =7540