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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 7 |
| 3 | 13 |
| 4 | 47 |
| 5 | 502829 |
| 6 | 95622386615329600236050591 |
| 7 | 31282850202880064644204601069 |
| 8 | 463689046302626373360766753609741 |
| 9 | 15491551101739718820967497643203613 |
[5,7,13,47,502829,95622386615329600236050591, 31282850202880064644204601069, 463689046302626373360766753609741, 15491551101739718820967497643203613] |