A109069 Numbers n such that the string n2323 is prime.

1, 3, 4, 6, 12, 19, 22, 25, 43, 48, 52, 54, 57, 63, 66, 67, 70, 73, 82, 84, 85, 87, 111, 132, 139, 145, 150, 151, 157, 159, 160, 172, 175, 187, 195, 201, 204, 210, 211, 213, 216, 217, 223, 228, 235, 238, 241, 256, 258