Palindromic primes associated with A082520.

Terms

a(0) =5a(1) =7a(2) =11a(3) =383a(4) =38783a(5) =76367a(6) =3016103a(7) =3218123a(8) =3256523a(9) =7434347a(10) =7832387a(11) =323070323a(12) =323676323a(13) =341292143a(14) =345494543a(15) =365898563a(16) =381818183a(17) =705818507a(18) =709696907a(19) =721636127a(20) =729272927a(21) =30105250103a(22) =30301610303a(23) =30507270503