Every prefix prime in base 9 (written in base 9).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =21a(5) =25a(6) =32a(7) =34a(8) =52a(9) =58a(10) =74a(11) =78a(12) =212a(13) =218a(14) =254a(15) =322a(16) =328a(17) =342a(18) =344a(19) =528a(20) =582a(21) =744a(22) =782a(23) =784a(24) =788a(25) =2122a(26) =2182a(27) =2188a(28) =2542a(29) =2548