Palindromic primes with prime middle digit.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =131a(5) =151a(6) =353a(7) =373a(8) =727a(9) =757a(10) =929a(11) =10301a(12) =10501a(13) =11311a(14) =12721a(15) =13331a(16) =14341a(17) =14741a(18) =15551a(19) =16361a(20) =16561a(21) =19391a(22) =30203a(23) =30703a(24) =31513a(25) =32323a(26) =33533a(27) =34543a(28) =35353a(29) =35753