| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 21 |
| 5 | 221 |
| 6 | 22121 |
| 7 | 221212111 |
| 8 | 221212111211113 |
| 9 | 221212111211113211113141 |
| 10 | 221212111211113211113141211113141141111 |
| 11 | 22121211121111321111314121111314114111121111314114111114111214 |
[1,1,2,21,221,22121,221212111,221212111211113, 221212111211113211113141, 221212111211113211113141211113141141111, 22121211121111321111314121111314114111121111314114\ 111114111214] |