Numbers n such that string 8,8 occurs in the base 10 representation of n but not of n-1.

Terms

a(0) =88a(1) =188a(2) =288a(3) =388a(4) =488a(5) =588a(6) =688a(7) =788a(8) =880a(9) =988a(10) =1088a(11) =1188a(12) =1288a(13) =1388a(14) =1488a(15) =1588a(16) =1688a(17) =1788a(18) =1880a(19) =1988a(20) =2088a(21) =2188a(22) =2288a(23) =2388a(24) =2488a(25) =2588a(26) =2688a(27) =2788a(28) =2880a(29) =2988