Numbers n such that string 6,3 occurs in the base 8 representation of n but not of n+1.

Terms

a(0) =51a(1) =115a(2) =179a(3) =243a(4) =307a(5) =371a(6) =415a(7) =435a(8) =499a(9) =563a(10) =627a(11) =691a(12) =755a(13) =819a(14) =883a(15) =927a(16) =947a(17) =1011a(18) =1075a(19) =1139a(20) =1203a(21) =1267a(22) =1331a(23) =1395a(24) =1439a(25) =1459a(26) =1523a(27) =1587a(28) =1651a(29) =1715