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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 22 |
| 2 | 212 |
| 3 | 2122 |
| 4 | 21222 |
| 5 | 212212 |
| 6 | 2122112 |
| 7 | 21221112 |
| 8 | 212211122 |
| 9 | 2122111222 |
| 10 | 21221112212 |
| 11 | 212211122122 |
| 12 | 2122111221212 |
| 13 | 21221112212112 |
| 14 | 212211122121122 |
| 15 | 2122111221211222 |
| 16 | 21221112212112212 |
| 17 | 212211122121122122 |
[2,22,212,2122,21222,212212,2122112,21221112, 212211122,2122111222,21221112212,212211122122, 2122111221212,21221112212112,212211122121122, 2122111221211222,21221112212112212, 212211122121122122] |