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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 111 |
| 4 | 4 |
| 5 | 5 |
| 6 | 11112 |
| 7 | 21112 |
| 8 | 1111112 |
| 9 | 111111111 |
| 10 | 0 |
| 11 | 0 |
| 12 | 11111111112 |
[1,2,111,4,5,11112,21112,1111112,111111111,0,0, 11111111112] |