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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 243 |
| 3 | 759375 |
| 4 | 12762815625 |
| 5 | 3101364196875 |
| 6 | 499477805270915625 |
| 7 | 185452612752454075153125 |
| 8 | 185452612752454075153125 |
| 9 | 263316190384861185784690603125 |
| 10 | 651996955695764397260286617707209375 |
| 11 | 651996955695764397260286617707209375 |
| 12 | 4196476041813743307955464949873473110315625 |
[1,243,759375,12762815625,3101364196875, 499477805270915625,185452612752454075153125, 185452612752454075153125, 263316190384861185784690603125, 651996955695764397260286617707209375, 651996955695764397260286617707209375, 4196476041813743307955464949873473110315625] |