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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 13 |
| 2 | 1311 |
| 3 | 3113 |
| 4 | 2321 |
| 5 | 112213 |
| 6 | 133122 |
| 7 | 222123 |
| 8 | 134211 |
| 9 | 31121413 |
| 10 | 23411412 |
| 11 | 22312413 |
| 12 | 23211432 |
| 13 | 32231421 |
| 14 | 21321423 |
| 15 | 23321421 |
| 16 | 21321423 |
| 17 | 23321421 |
| 18 | 21321423 |
| 19 | 23321421 |
| 20 | 21321423 |
| 21 | 23321421 |
| 22 | 21321423 |
| 23 | 23321421 |
| 24 | 21321423 |
[3,13,1311,3113,2321,112213,133122,222123,134211, 31121413,23411412,22312413,23211432,32231421, 21321423,23321421,21321423,23321421,21321423, 23321421,21321423,23321421,21321423,23321421, 21321423] |