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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 47 |
| 5 | 383 |
| 6 | 10321919 |
| 7 | 51011754393599 |
| 8 | 1130138339199322632554990773529330319359999999 |
| 9 | 73562883979319395645666688474019139929848516028923903999999999 |
| 10 | 4208832729023498248022825567687608993477547383960134557368319999999999 |
[2,3,7,47,383,10321919,51011754393599, 1130138339199322632554990773529330319359999999, 73562883979319395645666688474019139929848516028923\ 903999999999, 42088327290234982480228255676876089934775473839601\ 34557368319999999999] |