a(n) = sum of base-8 digits of a(n-1) + sum of base-8 digits of a(n-2).

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =8a(7) =6a(8) =7a(9) =13a(10) =13a(11) =12a(12) =11a(13) =9a(14) =6a(15) =8a(16) =7a(17) =8a(18) =8a(19) =2a(20) =3a(21) =5a(22) =8a(23) =6a(24) =7a(25) =13a(26) =13a(27) =12a(28) =11a(29) =9