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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 1211 |
| 3 | 2231 |
| 4 | 133241 |
| 5 | 14333231 |
| 6 | 24632241 |
| 7 | 1634534231 |
| 8 | 261544434231 |
| 9 | 262564533241 |
| 10 | 363564435231 |
| 11 | 464544634221 |
| 12 | 463574533221 |
| 13 | 17363574434221 |
| 14 | 37263554634231 |
| 15 | 37363554734231 |
| 16 | 37364544933221 |
| 17 | 1937263554933221 |
[1,2,1211,2231,133241,14333231,24632241, 1634534231,261544434231,262564533241,363564435231, 464544634221,463574533221,17363574434221, 37263554634231,37363554734231,37364544933221, 1937263554933221] |