Primes written in base 8.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =15a(6) =21a(7) =23a(8) =27a(9) =35a(10) =37a(11) =45a(12) =51a(13) =53a(14) =57a(15) =65a(16) =73a(17) =75a(18) =103a(19) =107a(20) =111a(21) =117a(22) =123a(23) =131a(24) =141a(25) =145a(26) =147a(27) =153a(28) =155a(29) =161