Numbers whose set of base-15 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =16a(3) =19a(4) =61a(5) =64a(6) =241a(7) =244a(8) =286a(9) =289a(10) =916a(11) =919a(12) =961a(13) =964a(14) =3616a(15) =3619a(16) =3661a(17) =3664a(18) =4291a(19) =4294a(20) =4336a(21) =4339a(22) =13741a(23) =13744a(24) =13786a(25) =13789a(26) =14416a(27) =14419a(28) =14461a(29) =14464