Numbers k such that the string 8,8 occurs in the base 9 representation of k but not of k-1.

Terms

a(0) =80a(1) =161a(2) =242a(3) =323a(4) =404a(5) =485a(6) =566a(7) =647a(8) =720a(9) =809a(10) =890a(11) =971a(12) =1052a(13) =1133a(14) =1214a(15) =1295a(16) =1376a(17) =1449a(18) =1538a(19) =1619a(20) =1700a(21) =1781a(22) =1862a(23) =1943a(24) =2024a(25) =2105a(26) =2178a(27) =2267a(28) =2348a(29) =2429