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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 22 |
| 5 | 2335 |
| 6 | 762451795 |
| 7 | 742762245454927736743542 |
| 8 | 41133018324375596439235122590123953570787986963829981156569123587 |
[2,3,4,22,2335,762451795,742762245454927736743542, 41133018324375596439235122590123953570787986963829\ 981156569123587] |