Smallest odd number with digit sum equal to n.

Terms

a(0) =1a(1) =11a(2) =3a(3) =13a(4) =5a(5) =15a(6) =7a(7) =17a(8) =9a(9) =19a(10) =29a(11) =39a(12) =49a(13) =59a(14) =69a(15) =79a(16) =89a(17) =99a(18) =199a(19) =299a(20) =399a(21) =499a(22) =599a(23) =699a(24) =799a(25) =899a(26) =999a(27) =1999a(28) =2999a(29) =3999