Numbers with the property that all pairs of consecutive base-8 digits differ by 0 or 1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =17a(11) =18a(12) =19a(13) =26a(14) =27a(15) =28a(16) =35a(17) =36a(18) =37a(19) =44a(20) =45a(21) =46a(22) =53a(23) =54a(24) =55a(25) =62a(26) =63a(27) =64a(28) =65a(29) =72