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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 29 |
| 5 | 2 |
| 6 | 91 |
| 7 | 2 |
| 8 | 48 |
| 9 | 11 |
| 10 | 91 |
| 11 | 999001 |
| 12 | 11 |
| 13 | 91 |
| 14 | 98912026 |
| 15 | 99990001 |
| 16 | 11 |
| 17 | 909091 |
| 18 | 99999990000001 |
[2,2,2,29,2,91,2,48,11,91,999001,11,91,98912026, 99990001,11,909091,99999990000001] |