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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 10 |
| 2 | 200 |
| 3 | 110 |
| 4 | 3000 |
| 5 | 2010 |
| 6 | 2100 |
| 7 | 1200 |
| 8 | 1110 |
| 9 | 40000 |
| 10 | 30010 |
| 11 | 30100 |
| 12 | 20200 |
| 13 | 20110 |
| 14 | 31000 |
| 15 | 21010 |
| 16 | 22000 |
| 17 | 13000 |
| 18 | 12010 |
| 19 | 21100 |
| 20 | 12100 |
| 21 | 11200 |
| 22 | 11110 |
| 23 | 500000 |
| 24 | 400010 |
| 25 | 400100 |
| 26 | 300200 |
| 27 | 300110 |
| 28 | 401000 |
| 29 | 301010 |
| 30 | 302000 |
| 31 | 203000 |
| 32 | 202010 |
| 33 | 301100 |
| 34 | 202100 |
[0,10,200,110,3000,2010,2100,1200,1110,40000, 30010,30100,20200,20110,31000,21010,22000,13000, 12010,21100,12100,11200,11110,500000,400010, 400100,300200,300110,401000,301010,302000,203000, 202010,301100,202100] |