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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 5 |
| 2 | 11 |
| 3 | 97 |
| 4 | 1847 |
| 5 | 5623 |
| 6 | 89753 |
| 7 | 3851587 |
| 8 | 1872852203 |
| 9 | 1999066711903 |
| 10 | 22790428875365903 |
[3,5,11,97,1847,5623,89753,3851587,1872852203, 1999066711903,22790428875365903] |