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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 21 |
| 3 | 112 |
| 4 | 121 |
| 5 | 1112 |
| 6 | 1121 |
| 7 | 1211 |
| 8 | 11112 |
| 9 | 11121 |
| 10 | 11211 |
| 11 | 12111 |
| 12 | 21111 |
| 13 | 111112 |
| 14 | 121111 |
| 15 | 211111 |
| 16 | 1111112 |
| 17 | 1111121 |
| 18 | 1112111 |
| 19 | 1121111 |
| 20 | 1211111 |
| 21 | 2111111 |
| 22 | 11111112 |
| 23 | 11111121 |
| 24 | 11111211 |
| 25 | 11112111 |
| 26 | 11121111 |
| 27 | 11211111 |
| 28 | 12111111 |
| 29 | 21111111 |
| 30 | 111111112 |
| 31 | 111111121 |
| 32 | 111111211 |
[12,21,112,121,1112,1121,1211,11112,11121,11211, 12111,21111,111112,121111,211111,1111112,1111121, 1112111,1121111,1211111,2111111,11111112,11111121, 11111211,11112111,11121111,11211111,12111111, 21111111,111111112,111111121,111111211] |