A111383 Beginning with 3, least member of A007500 such that concatenation of first n terms and its digit reversal both are primes.

3, 7, 3, 3, 79, 701, 157, 1103, 11959, 1901, 10273, 92753, 17047, 11909, 144973, 327251, 99289, 92831, 90373, 309671, 1149619, 745397, 1232083, 94793, 18481, 76607, 186649, 181421, 1657561, 3746111, 7067239, 324143, 3185263, 9457181