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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 64 |
| 3 | 19683 |
| 4 | 16777216 |
| 5 | 30517578125 |
| 6 | 101559956668416 |
| 7 | 558545864083284007 |
[1,64,19683,16777216,30517578125,101559956668416, 558545864083284007] |