| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 101 |
| 6 | 131 |
| 7 | 151 |
| 8 | 181 |
| 9 | 191 |
| 10 | 313 |
| 11 | 353 |
| 12 | 373 |
| 13 | 383 |
| 14 | 727 |
| 15 | 757 |
| 16 | 787 |
| 17 | 797 |
| 18 | 919 |
| 19 | 929 |
| 20 | 10301 |
| 21 | 10501 |
| 22 | 10601 |
| 23 | 12421 |
| 24 | 12721 |
| 25 | 12821 |
| 26 | 13831 |
| 27 | 13931 |
| 28 | 14341 |
| 29 | 14741 |
| 30 | 15451 |
| 31 | 16061 |
| 32 | 16361 |
| 33 | 16561 |
| 34 | 17471 |
| 35 | 17971 |
| 36 | 18181 |
| 37 | 18481 |
| 38 | 19391 |
| 39 | 19891 |
| 40 | 30103 |
| 41 | 30203 |
[2,3,5,7,101,131,151,181,191,313,353,373,383,727, 757,787,797,919,929,10301,10501,10601,12421,12721, 12821,13831,13931,14341,14741,15451,16061,16361, 16561,17471,17971,18181,18481,19391,19891,30103, 30203] |