Palindromic primes with prime digital roots.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =101a(6) =131a(7) =151a(8) =191a(9) =313a(10) =353a(11) =383a(12) =727a(13) =797a(14) =929a(15) =10301a(16) =10501a(17) =11311a(18) =12821a(19) =13331a(20) =13831a(21) =15451a(22) =16061a(23) =16661a(24) =17471a(25) =17971a(26) =19391a(27) =19991a(28) =30103a(29) =30803