| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 19 |
| 4 | 31 |
| 5 | 37 |
| 6 | 43 |
| 7 | 61 |
| 8 | 67 |
| 9 | 79 |
| 10 | 91 |
| 11 | 103 |
| 12 | 127 |
| 13 | 139 |
| 14 | 151 |
| 15 | 157 |
| 16 | 163 |
| 17 | 169 |
| 18 | 199 |
| 19 | 211 |
| 20 | 217 |
| 21 | 223 |
| 22 | 247 |
| 23 | 271 |
| 24 | 283 |
| 25 | 307 |
| 26 | 313 |
| 27 | 331 |
| 28 | 343 |
| 29 | 349 |
| 30 | 367 |
| 31 | 373 |
| 32 | 379 |
| 33 | 397 |
| 34 | 403 |
| 35 | 427 |
| 36 | 439 |
| 37 | 463 |
| 38 | 469 |
| 39 | 487 |
| 40 | 499 |
| 41 | 511 |
| 42 | 523 |
| 43 | 547 |
| 44 | 553 |
| 45 | 571 |
| 46 | 577 |
| 47 | 607 |
| 48 | 613 |
| 49 | 619 |
| 50 | 631 |
| 51 | 643 |
| 52 | 661 |
| 53 | 679 |
| 54 | 691 |
[1,7,19,31,37,43,61,67,79,91,103,127,139,151,157, 163,169,199,211,217,223,247,271,283,307,313,331, 343,349,367,373,379,397,403,427,439,463,469,487, 499,511,523,547,553,571,577,607,613,619,631,643, 661,679,691] |