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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 234 |
| 3 | 12813606 |
| 4 | 2103846732371087589834 |
| 5 | 9311985549495522884757461748592522243432897275494229148348315206 |
[6,234,12813606,2103846732371087589834, 93119855494955228847574617485925222434328972754942\ 29148348315206] |