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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 101 |
| 3 | 1101 |
| 4 | 10101 |
| 5 | 110101 |
| 6 | 1011101 |
| 7 | 11001101 |
| 8 | 101111101 |
| 9 | 1101111101 |
| 10 | 10111111101 |
| 11 | 110011111101 |
| 12 | 1011111111101 |
| 13 | 11011111111101 |
| 14 | 101111111111101 |
| 15 | 1100111111111101 |
| 16 | 10111111111111101 |
| 17 | 110111111111111101 |
| 18 | 1011111111111111101 |
| 19 | 11001111111111111101 |
[1,11,101,1101,10101,110101,1011101,11001101, 101111101,1101111101,10111111101,110011111101, 1011111111101,11011111111101,101111111111101, 1100111111111101,10111111111111101, 110111111111111101,1011111111111111101, 11001111111111111101] |