Palindromic primes in base 3.

Terms

a(0) =2a(1) =13a(2) =23a(3) =151a(4) =173a(5) =233a(6) =757a(7) =937a(8) =1093a(9) =1249a(10) =1429a(11) =1487a(12) =1667a(13) =1733a(14) =1823a(15) =1913a(16) =1979a(17) =2069a(18) =8389a(19) =9103a(20) =10111a(21) =12301a(22) =14951a(23) =16673a(24) =16871a(25) =18593a(26) =60103a(27) =60913a(28) =61507a(29) =63127