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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 175 |
| 3 | 2336191 |
| 4 | 26093310174834487 |
| 5 | 1077450280423046944912713622717154955599567 |
[3,175,2336191,26093310174834487, 1077450280423046944912713622717154955599567] |