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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 10 |
| 2 | 1011 |
| 3 | 3110 |
| 4 | 102113 |
| 5 | 13311210 |
| 6 | 10411223 |
| 7 | 1322311410 |
| 8 | 1041142322 |
| 9 | 3213243110 |
| 10 | 1031331422 |
| 11 | 2214313310 |
| 12 | 1031331422 |
| 13 | 2214313310 |
| 14 | 1031331422 |
| 15 | 2214313310 |
| 16 | 1031331422 |
| 17 | 2214313310 |
| 18 | 1031331422 |
| 19 | 2214313310 |
| 20 | 1031331422 |
[0,10,1011,3110,102113,13311210,10411223, 1322311410,1041142322,3213243110,1031331422, 2214313310,1031331422,2214313310,1031331422, 2214313310,1031331422,2214313310,1031331422, 2214313310,1031331422] |