Smallest multiple of n using only digits 0 and 6.

Terms

a(0) =6a(1) =6a(2) =6a(3) =60a(4) =60a(5) =6a(6) =6006a(7) =600a(8) =666a(9) =60a(10) =66a(11) =60a(12) =6006a(13) =6006a(14) =60a(15) =6000a(16) =66606a(17) =666a(18) =66006a(19) =60a(20) =6006a(21) =66a(22) =660606a(23) =600a(24) =600a(25) =6006a(26) =666666666a(27) =60060a(28) =6606606a(29) =60