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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 13 |
| 4 | 17 |
| 5 | 19 |
| 6 | 31 |
| 7 | 41 |
| 8 | 43 |
| 9 | 53 |
| 10 | 67 |
| 11 | 71 |
| 12 | 79 |
| 13 | 83 |
| 14 | 97 |
| 15 | 109 |
| 16 | 131 |
| 17 | 149 |
| 18 | 157 |
| 19 | 173 |
| 20 | 197 |
| 21 | 199 |
| 22 | 223 |
| 23 | 227 |
| 24 | 239 |
| 25 | 251 |
| 26 | 277 |
| 27 | 313 |
| 28 | 317 |
| 29 | 331 |
| 30 | 353 |
| 31 | 379 |
| 32 | 383 |
| 33 | 409 |
| 34 | 421 |
| 35 | 431 |
| 36 | 433 |
| 37 | 443 |
| 38 | 457 |
| 39 | 461 |
| 40 | 487 |
| 41 | 499 |
| 42 | 509 |
| 43 | 521 |
| 44 | 547 |
| 45 | 563 |
| 46 | 577 |
| 47 | 587 |
| 48 | 599 |
| 49 | 613 |
| 50 | 617 |
| 51 | 641 |
| 52 | 643 |
| 53 | 677 |
| 54 | 691 |
| 55 | 719 |
[2,5,13,17,19,31,41,43,53,67,71,79,83,97,109,131, 149,157,173,197,199,223,227,239,251,277,313,317, 331,353,379,383,409,421,431,433,443,457,461,487, 499,509,521,547,563,577,587,599,613,617,641,643, 677,691,719] |