Min{k: A086066(k) = n}.

Terms

a(0) =0a(1) =1a(2) =10a(3) =2a(4) =20a(5) =12a(6) =102a(7) =3a(8) =30a(9) =13a(10) =103a(11) =23a(12) =203a(13) =123a(14) =1023a(15) =4a(16) =40a(17) =14a(18) =104a(19) =24a(20) =204a(21) =124a(22) =1024a(23) =34a(24) =304a(25) =134a(26) =1034a(27) =234a(28) =2034a(29) =1234