Primes written in base 6.

Terms

a(0) =2a(1) =3a(2) =5a(3) =11a(4) =15a(5) =21a(6) =25a(7) =31a(8) =35a(9) =45a(10) =51a(11) =101a(12) =105a(13) =111a(14) =115a(15) =125a(16) =135a(17) =141a(18) =151a(19) =155a(20) =201a(21) =211a(22) =215a(23) =225a(24) =241a(25) =245a(26) =251a(27) =255a(28) =301a(29) =305