A032818 Numbers whose set of base 6 digits is {1,4}.

1, 4, 7, 10, 25, 28, 43, 46, 61, 64, 151, 154, 169, 172, 259, 262, 277, 280, 367, 370, 385, 388, 907, 910, 925, 928, 1015, 1018, 1033, 1036, 1555, 1558, 1573, 1576, 1663, 1666, 1681, 1684, 2203, 2206, 2221, 2224, 2311, 2314, 2329