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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4913 |
| 3 | 19683 |
| 4 | 52521875 |
| 5 | 24794911296 |
| 6 | 68719476736 |
| 7 | 271818611107 |
| 8 | 1174711139837 |
[1,4913,19683,52521875,24794911296,68719476736, 271818611107,1174711139837] |