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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 5 |
| 2 | 17 |
| 3 | 107 |
| 4 | 215443 |
| 5 | 15017 |
| 6 | 1616617 |
| 7 | 19657257924643 |
| 8 | 8618654420263 |
| 9 | 3234846617 |
| 10 | 100280245067 |
| 11 | 3710369067407 |
| 12 | 19818939413097309267215847601753 |
| 13 | 102481630431415237 |
| 14 | 307444891294245707 |
| 15 | 320460058359035439847 |
| 16 | 961380175077106319537 |
[3,5,17,107,215443,15017,1616617,19657257924643, 8618654420263,3234846617,100280245067, 3710369067407,19818939413097309267215847601753, 102481630431415237,307444891294245707, 320460058359035439847,961380175077106319537] |