Palindromic primes indexed by palindromic primes.

Terms

a(0) =3a(1) =5a(2) =11a(3) =131a(4) =313a(5) =94349a(6) =1123211a(7) =1212121a(8) =1360631a(9) =1422241a(10) =3075703a(11) =3293923a(12) =3400043a(13) =3447443a(14) =9711179a(15) =9852589a(16) =100161001a(17) =101171101a(18) =108505801a(19) =109111901a(20) =13929592931a(21) =14125852141a(22) =14209390241a(23) =14895559841a(24) =14986568941a(25) =15911711951a(26) =16172327161a(27) =16257475261a(28) =16727672761