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

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =10a(9) =17a(10) =19a(11) =26a(12) =28a(13) =35a(14) =37a(15) =44a(16) =46a(17) =53a(18) =55a(19) =62a(20) =65a(21) =81a(22) =83a(23) =136a(24) =138a(25) =154a(26) =156a(27) =209a(28) =211a(29) =227