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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 125 |
| 4 | 2100875 |
| 5 | 2977309629 |
| 6 | 118890080527911 |
| 7 | 12677461389063582955701 |
| 8 | 7895300107107819831516439618359375 |
| 9 | 4725033556599120988065310720798566300246484375 |
[1,3,125,2100875,2977309629,118890080527911, 12677461389063582955701, 7895300107107819831516439618359375, 4725033556599120988065310720798566300246484375] |