The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 31 |
| 6 | 37 |
| 7 | 71 |
| 8 | 73 |
| 9 | 79 |
| 10 | 311 |
| 11 | 313 |
| 12 | 373 |
| 13 | 733 |
| 14 | 739 |
| 15 | 797 |
| 16 | 3733 |
[2,3,5,7,31,37,71,73,79,311,313,373,733,739,797, 3733] |