Primes with palindromic primes indices.

Terms

a(0) =3a(1) =5a(2) =11a(3) =17a(4) =31a(5) =547a(6) =739a(7) =877a(8) =1087a(9) =1153a(10) =2081a(11) =2381a(12) =2549a(13) =2647a(14) =5503a(15) =5749a(16) =6037a(17) =6113a(18) =7193a(19) =7283a(20) =108271a(21) =110603a(22) =111791a(23) =120097a(24) =121271a(25) =133087a(26) =136547a(27) =137743a(28) =143827a(29) =149791