Numbers k such that string 6,6 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =54a(1) =118a(2) =182a(3) =246a(4) =310a(5) =374a(6) =432a(7) =502a(8) =566a(9) =630a(10) =694a(11) =758a(12) =822a(13) =886a(14) =944a(15) =1014a(16) =1078a(17) =1142a(18) =1206a(19) =1270a(20) =1334a(21) =1398a(22) =1456a(23) =1526a(24) =1590a(25) =1654a(26) =1718a(27) =1782a(28) =1846a(29) =1910