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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 17 |
| 2 | 1415929 |
| 3 | 14159265358979323846264338327950291 |
| 4 | 14159265358979323846264338327950288419716939937510582097497 |
[3,17,1415929,14159265358979323846264338327950291, 14159265358979323846264338327950288419716939937510\ 582097497] |