Numbers in A125098 that are not in A123902.

Terms

a(0) =10a(1) =11a(2) =101a(3) =102a(4) =110a(5) =111a(6) =120a(7) =1000a(8) =1001a(9) =1002a(10) =1010a(11) =1011a(12) =1020a(13) =1021a(14) =1022a(15) =1100a(16) =1101a(17) =1110a(18) =1111a(19) =1112a(20) =1120a(21) =1121a(22) =1202a(23) =1210a(24) =1211a(25) =1212a(26) =1220a(27) =1221a(28) =1230a(29) =10001