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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 211 |
| 3 | 223 |
| 4 | 229 |
| 5 | 37 |
| 6 | 311 |
| 7 | 313 |
| 8 | 317 |
| 9 | 331 |
| 10 | 53 |
| 11 | 523 |
| 12 | 73 |
| 13 | 719 |
| 14 | 113 |
| 15 | 1117 |
| 16 | 1123 |
| 17 | 1129 |
[23,211,223,229,37,311,313,317,331,53,523,73,719, 113,1117,1123,1129] |