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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 125 |
| 4 | 15625 |
| 5 | 9765625 |
| 6 | 30517578125 |
| 7 | 476837158203125 |
| 8 | 37252902984619140625 |
| 9 | 14551915228366851806640625 |
| 10 | 28421709430404007434844970703125 |
[1,1,5,125,15625,9765625,30517578125, 476837158203125,37252902984619140625, 14551915228366851806640625, 28421709430404007434844970703125] |