Smallest multiple of n with no isolated digits.

Terms

a(0) =11a(1) =22a(2) =33a(3) =44a(4) =55a(5) =66a(6) =77a(7) =88a(8) =99a(9) =1100a(10) =11a(11) =444a(12) =1144a(13) =3388a(14) =555a(15) =2288a(16) =1122a(17) =666a(18) =2299a(19) =1100a(20) =777a(21) =22a(22) =2277a(23) =888a(24) =1100a(25) =1144a(26) =999a(27) =3388a(28) =2233a(29) =3300