a(n) = A084022(n)/n.

Terms

a(0) =9a(1) =44a(2) =333a(3) =2222a(4) =11959a(5) =149633a(6) =1425257a(7) =11111111a(8) =111111111a(9) =999989999a(10) =9090440909a(11) =74166299999a(12) =769227276923