Smallest multiple of n using a single digit with multiplicity, or 0 if no such number exists.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =0a(10) =11a(11) =444a(12) =111111a(13) =222222a(14) =555a(15) =0a(17) =666a(19) =0a(20) =777a(21) =22a(23) =888a(24) =0a(25) =222222a(26) =999a(27) =444444a(29) =0a(31) =0a(32) =33a(34) =555555