Palindromic primes with prime subscripts.

Terms

a(0) =3a(1) =5a(2) =11a(3) =191a(4) =353a(5) =797a(6) =919a(7) =11311a(8) =12421a(9) =13331a(10) =16061a(11) =18181a(12) =31513a(13) =32323a(14) =34543a(15) =34843a(16) =36563a(17) =37273a(18) =70207a(19) =72727a(20) =77377a(21) =78787a(22) =1117111a(23) =1120211a(24) =1253521a(25) =1257521a(26) =1280821a(27) =1328231a(28) =1409041a(29) =1456541