A087396 Smallest nontrivial multiple of n with each digit occurring with the same frequency >1. By nontrivial we mean a(n) is not a concatenation of n with itself.

22, 44, 66, 88, 1010, 222, 1001, 1144, 333, 1100, 22, 444, 1001, 2002, 555, 2112, 1122, 666, 1881, 1100, 777, 44, 1771, 888, 1100, 1144, 999, 2772, 2233, 3300, 4433, 2112, 66, 1122, 1155, 1188, 111, 3344, 3003, 2200, 2255, 2772, 3311, 88, 4455, 4554, 1551