Prefix primes in base 8 (written in base 8).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =21a(5) =23a(6) =27a(7) =35a(8) =37a(9) =51a(10) =53a(11) =57a(12) =73a(13) =75a(14) =211a(15) =213a(16) =235a(17) =277a(18) =351a(19) =357a(20) =373a(21) =513a(22) =533a(23) =535a(24) =573a(25) =577a(26) =737a(27) =753a(28) =2111a(29) =2117