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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 12 |
| 3 | 111 |
| 4 | 3159 |
| 5 | 212537 |
| 6 | 29547816 |
| 7 | 10730354337 |
| 8 | 9020738234108 |
| 9 | 17473595660728954 |
| 10 | 81540413109294209581 |
| 11 | 892006283570909271440251 |
[2,12,111,3159,212537,29547816,10730354337, 9020738234108,17473595660728954, 81540413109294209581,892006283570909271440251] |