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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 53 |
| 5 | 773 |
| 6 | 173 |
| 7 | 293 |
| 8 | 2477 |
| 9 | 22613 |
| 10 | 9173 |
| 11 | 61613 |
| 12 | 280013 |
| 13 | 92333 |
| 14 | 74093 |
| 15 | 170957 |
| 16 | 360293 |
| 17 | 679733 |
| 18 | 36300197 |
| 19 | 2004917 |
| 20 | 69009533 |
| 21 | 138473837 |
| 22 | 237536213 |
| 23 | 777133013 |
| 24 | 883597853 |
| 25 | 2411100677 |
| 26 | 3519879677 |
| 27 | 2050312613 |
| 28 | 19570048973 |
| 29 | 80471253917 |
| 30 | 65315700413 |
| 31 | 1728061733 |
[2,3,5,53,773,173,293,2477,22613,9173,61613, 280013,92333,74093,170957,360293,679733,36300197, 2004917,69009533,138473837,237536213,777133013, 883597853,2411100677,3519879677,2050312613, 19570048973,80471253917,65315700413,1728061733] |