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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 10 |
| 3 | 34 |
| 4 | 109 |
| 5 | 8189 |
| 6 | 108989 |
| 7 | 4470645 |
| 8 | 32727845 |
| 9 | 1095073836189 |
| 10 | 1091781620649419010 |
[2,10,34,109,8189,108989,4470645,32727845, 1095073836189,1091781620649419010] |