Numbers whose set of base-14 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =15a(3) =18a(4) =57a(5) =60a(6) =211a(7) =214a(8) =253a(9) =256a(10) =799a(11) =802a(12) =841a(13) =844a(14) =2955a(15) =2958a(16) =2997a(17) =3000a(18) =3543a(19) =3546a(20) =3585a(21) =3588a(22) =11187a(23) =11190a(24) =11229a(25) =11232a(26) =11775a(27) =11778a(28) =11817a(29) =11820