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| n | a(n) |
|---|---|
| 5 | 541 |
| 6 | 11301 |
| 7 | 239379 |
| 8 | 5287506 |
| 9 | 124878033 |
| 10 | 3151808478 |
| 11 | 84934607175 |
| 12 | 2440299822081 |
| 13 | 74564772630777 |
| 14 | 2416548374532292 |
| 15 | 82847673438018762 |
| 16 | 2996998457878842144 |
| 17 | 114123931204449050115 |
| 18 | 4564365783126801549858 |
| 19 | 191334572138628994076241 |
| 20 | 8390237730288860299836005 |
[541,11301,239379,5287506,124878033,3151808478, 84934607175,2440299822081,74564772630777, 2416548374532292,82847673438018762, 2996998457878842144,114123931204449050115, 4564365783126801549858,191334572138628994076241, 8390237730288860299836005] |