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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 113 |
| 3 | 321 |
| 4 | 11313 |
| 5 | 32113 |
| 6 | 1131313 |
| 7 | 3211313 |
| 8 | 113131313 |
| 9 | 321131313 |
| 10 | 11313131313 |
| 11 | 32113131313 |
| 12 | 1131313131313 |
| 13 | 3211313131313 |
[1,113,321,11313,32113,1131313,3211313,113131313, 321131313,11313131313,32113131313,1131313131313, 3211313131313] |