Numbers that are sums of repdigits of their digits (see Comments for precise definition).

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =6a(7) =7a(8) =8a(9) =9a(10) =197a(11) =198a(12) =199a(13) =285a(14) =373a(15) =461a(16) =554a(17) =1098a(18) =1099a(19) =1185a(20) =1186a(21) =1187a(22) =1276a(23) =1278a(24) =1365a(25) =1366a(26) =1453a(27) =1454a(28) =1458a(29) =1459