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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 101 |
| 7 | 131 |
| 8 | 151 |
| 9 | 191 |
| 10 | 313 |
| 11 | 353 |
| 12 | 383 |
| 13 | 727 |
| 14 | 797 |
| 15 | 929 |
| 16 | 10301 |
| 17 | 10501 |
| 18 | 11311 |
| 19 | 12821 |
| 20 | 13331 |
| 21 | 13831 |
| 22 | 15451 |
| 23 | 16061 |
| 24 | 16661 |
| 25 | 17471 |
| 26 | 17971 |
| 27 | 19391 |
| 28 | 19991 |
| 29 | 30103 |
| 30 | 30803 |
| 31 | 32423 |
| 32 | 35053 |
| 33 | 35753 |
| 34 | 36263 |
| 35 | 36563 |
| 36 | 37573 |
| 37 | 38183 |
| 38 | 38783 |
| 39 | 70207 |
| 40 | 70607 |
[2,3,5,7,11,101,131,151,191,313,353,383,727,797, 929,10301,10501,11311,12821,13331,13831,15451, 16061,16661,17471,17971,19391,19991,30103,30803, 32423,35053,35753,36263,36563,37573,38183,38783, 70207,70607] |