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| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 15 |
| 2 | 1511 |
| 3 | 211511 |
| 4 | 21152112 |
| 5 | 122112152112 |
| 6 | 122112151112212211 |
| 7 | 2122112231151112212211 |
| 8 | 21221122311521132221221112 |
| 9 | 12312211321321121521132221221112 |
[5,15,1511,211511,21152112,122112152112, 122112151112212211,2122112231151112212211, 21221122311521132221221112, 12312211321321121521132221221112] |