A088599 Smallest multiple of n using only one nonzero digit.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 60, 1001, 70, 30, 80, 11101, 90, 11001, 20, 777, 22, 110101, 600, 50, 2002, 999, 700, 1101101, 30, 111011, 800, 33, 22202, 70, 900, 111, 22002, 3003, 40, 11111, 6006, 1101101, 44, 90, 220202, 10011, 6000, 7007, 50, 33303