A030680 Smallest nontrivial extension of n-th palindromic prime which is a prime.

23, 31, 53, 71, 113, 1013, 1319, 1511, 1811, 1913, 3137, 3533, 3733, 3833, 72719, 7573, 7873, 79757, 9199, 9293, 1030111, 105019, 106013, 113111, 114113, 124213, 127217, 128213, 133319, 138311, 139313, 143413, 147419, 1545121