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

Terms

a(0) =10a(1) =98a(2) =172a(3) =253a(4) =334a(5) =415a(6) =496a(7) =577a(8) =658a(9) =739a(10) =890a(11) =901a(12) =982a(13) =1063a(14) =1144a(15) =1225a(16) =1306a(17) =1387a(18) =1468a(19) =1556a(20) =1630a(21) =1711a(22) =1792a(23) =1873a(24) =1954a(25) =2035a(26) =2116a(27) =2197a(28) =2285a(29) =2359