Numbers k such that string 6,5 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =53a(1) =117a(2) =181a(3) =245a(4) =309a(5) =373a(6) =424a(7) =437a(8) =501a(9) =565a(10) =629a(11) =693a(12) =757a(13) =821a(14) =885a(15) =936a(16) =949a(17) =1013a(18) =1077a(19) =1141a(20) =1205a(21) =1269a(22) =1333a(23) =1397a(24) =1448a(25) =1461a(26) =1525a(27) =1589a(28) =1653a(29) =1717