Numbers n such that string 0,2 occurs in the base 10 representation of n but not of n-1.

Terms

a(0) =102a(1) =202a(2) =302a(3) =402a(4) =502a(5) =602a(6) =702a(7) =802a(8) =902a(9) =1002a(10) =1020a(11) =1102a(12) =1202a(13) =1302a(14) =1402a(15) =1502a(16) =1602a(17) =1702a(18) =1802a(19) =1902a(20) =2002a(21) =2020a(22) =2102a(23) =2202a(24) =2302a(25) =2402a(26) =2502a(27) =2602a(28) =2702a(29) =2802