Smallest m such that A259043(m) = n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =19a(11) =15a(12) =25a(13) =16a(14) =26a(15) =17a(16) =27a(17) =18a(18) =59a(19) =78a(20) =69a(21) =88a(22) =79a(23) =98a(24) =89a(25) =108a(26) =99a(27) =509a(28) =618a(29) =609