A032733 Numbers k such that k prefixed by '8' and followed by '9' is prime.
0, 2, 3, 5, 17, 20, 21, 26, 32, 36, 38, 41, 42, 53, 59, 60, 62, 66, 68, 69, 71, 77, 81, 83, 84, 92, 96, 99, 101, 104, 111, 119, 123, 129, 134, 135, 140, 143, 150, 155, 156, 161, 162, 164, 168, 174, 176, 179, 183, 186, 189, 191, 192, 200, 203, 212, 213, 218, 221
Offset: 1