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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 23 |
| 6 | 31 |
| 7 | 53 |
| 8 | 71 |
| 9 | 211 |
| 10 | 307 |
| 11 | 503 |
| 12 | 701 |
| 13 | 2003 |
| 14 | 3001 |
| 15 | 5003 |
| 16 | 7001 |
| 17 | 20011 |
| 18 | 30011 |
| 19 | 50021 |
| 20 | 70001 |
| 21 | 200003 |
| 22 | 300007 |
| 23 | 500009 |
| 24 | 700001 |
| 25 | 2000003 |
| 26 | 3000017 |
| 27 | 5000011 |
| 28 | 7000003 |
| 29 | 20000003 |
| 30 | 30000001 |
| 31 | 50000017 |
| 32 | 70000027 |
| 33 | 200000033 |
[2,3,5,7,23,31,53,71,211,307,503,701,2003,3001, 5003,7001,20011,30011,50021,70001,200003,300007, 500009,700001,2000003,3000017,5000011,7000003, 20000003,30000001,50000017,70000027,200000033] |