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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 2160 |
| 3 | 160000 |
| 4 | 8750000 |
| 5 | 937890625 |
| 6 | 74118870000 |
| 7 | 9682651996416 |
| 8 | 958582547645184 |
| 9 | 141763707879526656 |
| 10 | 16346105372357849088 |
| 11 | 2632478657451209588736 |
| 12 | 338880211548064890612480 |
[81,2160,160000,8750000,937890625,74118870000, 9682651996416,958582547645184,141763707879526656, 16346105372357849088,2632478657451209588736, 338880211548064890612480] |