Numbers k such that string 0,5 occurs in the base 9 representation of k but not of k-1.

Terms

a(0) =86a(1) =167a(2) =248a(3) =329a(4) =410a(5) =491a(6) =572a(7) =653a(8) =734a(9) =774a(10) =815a(11) =896a(12) =977a(13) =1058a(14) =1139a(15) =1220a(16) =1301a(17) =1382a(18) =1463a(19) =1503a(20) =1544a(21) =1625a(22) =1706a(23) =1787a(24) =1868a(25) =1949a(26) =2030a(27) =2111a(28) =2192a(29) =2232