Numbers whose set of base-8 digits is {1,4}.

Terms

a(0) =1a(1) =4a(2) =9a(3) =12a(4) =33a(5) =36a(6) =73a(7) =76a(8) =97a(9) =100a(10) =265a(11) =268a(12) =289a(13) =292a(14) =585a(15) =588a(16) =609a(17) =612a(18) =777a(19) =780a(20) =801a(21) =804a(22) =2121a(23) =2124a(24) =2145a(25) =2148a(26) =2313a(27) =2316a(28) =2337a(29) =2340