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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 71 |
| 3 | 2558 |
| 4 | 250860 |
| 5 | 64996451 |
| 6 | 45170582886 |
| 7 | 83632270690739 |
| 8 | 415014359673696258 |
| 9 | 5503137668192072543375 |
[5,71,2558,250860,64996451,45170582886, 83632270690739,415014359673696258, 5503137668192072543375] |