Numbers m such that the largest digit in the decimal expansion of 1/m is 4.

Terms

a(0) =25a(1) =225a(2) =250a(3) =693a(4) =2250a(5) =2439a(6) =2475a(7) =2500a(8) =3285a(9) =4095a(10) =4125a(11) =6930a(12) =6993a(13) =22500a(14) =22725a(15) =23125a(16) =23245a(17) =24390a(18) =24750a(19) =24975a(20) =25000a(21) =30825a(22) =32850a(23) =40950a(24) =41250a(25) =41625a(26) =42735a(27) =69300a(28) =69375a(29) =69735