Numbers whose base-8 expansion has no run of digits with length < 2.

Terms

a(0) =9a(1) =18a(2) =27a(3) =36a(4) =45a(5) =54a(6) =63a(7) =73a(8) =146a(9) =219a(10) =292a(11) =365a(12) =438a(13) =511a(14) =576a(15) =585a(16) =594a(17) =603a(18) =612a(19) =621a(20) =630a(21) =639a(22) =1152a(23) =1161a(24) =1170a(25) =1179a(26) =1188a(27) =1197a(28) =1206a(29) =1215