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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 11 |
| 3 | 17 |
| 4 | 257 |
| 5 | 401 |
| 6 | 2789 |
| 7 | 7481 |
| 8 | 15401 |
| 9 | 24443 |
| 10 | 37517 |
| 11 | 51521 |
| 12 | 65537 |
| 13 | 85793 |
| 14 | 646271 |
| 15 | 719813 |
| 16 | 891047 |
| 17 | 900293 |
| 18 | 2535473 |
| 19 | 2841851 |
| 20 | 3167569 |
| 21 | 3260809 |
| 22 | 3516109 |
| 23 | 4356749 |
| 24 | 5111261 |
| 25 | 5914369 |
| 26 | 7056293 |
| 27 | 9832271 |
| 28 | 9838769 |
| 29 | 10309253 |
| 30 | 12026603 |
| 31 | 12231311 |
| 32 | 14599097 |
| 33 | 16509617 |
[5,11,17,257,401,2789,7481,15401,24443,37517, 51521,65537,85793,646271,719813,891047,900293, 2535473,2841851,3167569,3260809,3516109,4356749, 5111261,5914369,7056293,9832271,9838769,10309253, 12026603,12231311,14599097,16509617] |