Base-8 Keith numbers.

Terms

a(0) =8a(1) =11a(2) =15a(3) =16a(4) =22a(5) =24a(6) =32a(7) =37a(8) =40a(9) =48a(10) =56a(11) =59a(12) =92a(13) =123a(14) =200a(15) =251a(16) =257a(17) =400a(18) =457a(19) =893a(20) =2761a(21) =4040a(22) =4547a(23) =8392a(24) =9161a(25) =12833a(26) =16784a(27) =21225a(28) =29617a(29) =127126