Sum of first n palindromic primes A002385.

Terms

a(0) =2a(1) =5a(2) =10a(3) =17a(4) =28a(5) =129a(6) =260a(7) =411a(8) =592a(9) =783a(10) =1096a(11) =1449a(12) =1822a(13) =2205a(14) =2932a(15) =3689a(16) =4476a(17) =5273a(18) =6192a(19) =7121a(20) =17422a(21) =27923a(22) =38524a(23) =49835a(24) =61246a(25) =73667a(26) =86388a(27) =99209a(28) =112540a(29) =126371