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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 111 |
| 3 | 1111 |
| 4 | 11111 |
| 5 | 111111 |
| 6 | 1111111 |
| 7 | 11111111 |
| 8 | 111111111 |
| 9 | 1111111111 |
| 10 | 11111111211 |
| 11 | 111111112211 |
| 12 | 1111111122211 |
| 13 | 11111111222211 |
| 14 | 111111112222211 |
| 15 | 1111111122222211 |
| 16 | 11111111222222211 |
| 17 | 111111112222222211 |
| 18 | 1111111122222222211 |
| 19 | 11111111222222222211 |
[1,11,111,1111,11111,111111,1111111,11111111, 111111111,1111111111,11111111211,111111112211, 1111111122211,11111111222211,111111112222211, 1111111122222211,11111111222222211, 111111112222222211,1111111122222222211, 11111111222222222211] |