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| n | a(n) |
|---|---|
| 0 | 9 |
| 1 | 91 |
| 2 | 1191 |
| 3 | 119112 |
| 4 | 21129112 |
| 5 | 211291211221 |
| 6 | 112212211191211221 |
| 7 | 1122122111911322112212 |
| 8 | 21112212223112911322112212 |
| 9 | 21112212223112912112312311221321 |
[9,91,1191,119112,21129112,211291211221, 112212211191211221,1122122111911322112212, 21112212223112911322112212, 21112212223112912112312311221321] |