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| n | a(n) |
|---|---|
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 222 |
| 7 | 13 |
| 8 | 37 |
| 9 | 217 |
| 10 | 511 |
| 11 | 89 |
| 12 | 222233 |
| 13 | 233 |
| 14 | 1329 |
| 15 | 2561 |
| 16 | 3747 |
| 17 | 1597 |
| 18 | 2221719 |
| 19 | 37113 |
| 20 | 351141 |
| 21 | 213421 |
| 22 | 89199 |
| 23 | 28657 |
| 24 | 2222233723 |
| 25 | 553001 |
| 26 | 233521 |
| 27 | 21753109 |
| 28 | 31329281 |
| 29 | 514229 |
| 30 | 2225113161 |
| 31 | 5572417 |
| 32 | 37472207 |
| 33 | 28919801 |
| 34 | 15973571 |
| 35 | 513141961 |
| 36 | 22223331719107 |
| 37 | 731492221 |
[2,3,5,222,13,37,217,511,89,222233,233,1329,2561, 3747,1597,2221719,37113,351141,213421,89199,28657, 2222233723,553001,233521,21753109,31329281,514229, 2225113161,5572417,37472207,28919801,15973571, 513141961,22223331719107,731492221] |