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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 77 |
| 4 | 5117 |
| 5 | 1291677 |
| 6 | 1333581405 |
| 7 | 5441592632541 |
| 8 | 89331571319228381 |
| 9 | 5848755670855706968541 |
| 10 | 1533967407742898704050818525 |
| 11 | 1608089383785066648192844419233245 |
[1,1,5,77,5117,1291677,1333581405,5441592632541, 89331571319228381,5848755670855706968541, 1533967407742898704050818525, 1608089383785066648192844419233245] |