Numbers whose base-5 representation contains exactly three 0's and one 3.

Terms

a(0) =375a(1) =628a(2) =640a(3) =700a(4) =1000a(5) =1253a(6) =1265a(7) =1325a(8) =1625a(9) =1876a(10) =1877a(11) =1879a(12) =1880a(13) =1885a(14) =1895a(15) =1900a(16) =1925a(17) =1975a(18) =2000a(19) =2125a(20) =2375a(21) =2503a(22) =2515a(23) =2575a(24) =2875a(25) =3133a(26) =3138a(27) =3141a(28) =3142a(29) =3144