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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 27 |
| 5 | 19683 |
| 6 | 87189642485960958202911070585860771696964072404731750085525219437990967093723439943475549906831683116791055225665627 |
[1,3,3,27,19683, 87189642485960958202911070585860771696964072404731\ 75008552521943799096709372343994347554990683168311\ 6791055225665627] |