Numbers n such that string 0,6 occurs in the base 10 representation of n but not of n-1.

Terms

a(0) =106a(1) =206a(2) =306a(3) =406a(4) =506a(5) =606a(6) =706a(7) =806a(8) =906a(9) =1006a(10) =1060a(11) =1106a(12) =1206a(13) =1306a(14) =1406a(15) =1506a(16) =1606a(17) =1706a(18) =1806a(19) =1906a(20) =2006a(21) =2060a(22) =2106a(23) =2206a(24) =2306a(25) =2406a(26) =2506a(27) =2606a(28) =2706a(29) =2806