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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 13 |
| 7 | 17 |
| 8 | 19 |
| 9 | 31 |
| 10 | 59 |
| 11 | 85 |
| 12 | 109 |
| 13 | 133 |
| 14 | 167 |
| 15 | 197 |
| 16 | 227 |
| 17 | 317 |
| 18 | 389 |
| 19 | 457 |
| 20 | 521 |
| 21 | 799 |
| 22 | 859 |
| 23 | 1153 |
| 24 | 1163 |
| 25 | 1637 |
| 26 | 1861 |
| 27 | 1997 |
| 28 | 2053 |
| 29 | 2633 |
| 30 | 3011 |
| 31 | 3167 |
| 32 | 3721 |
| 33 | 3833 |
| 34 | 5227 |
| 35 | 6637 |
| 36 | 7213 |
| 37 | 9199 |
| 38 | 12919 |
| 39 | 13259 |
| 40 | 13469 |
| 41 | 14263 |
[1,2,3,5,7,13,17,19,31,59,85,109,133,167,197,227, 317,389,457,521,799,859,1153,1163,1637,1861,1997, 2053,2633,3011,3167,3721,3833,5227,6637,7213,9199, 12919,13259,13469,14263] |