| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 111 |
| 4 | 1111 |
| 5 | 11011 |
| 6 | 110011 |
| 7 | 1100011 |
| 8 | 11000011 |
| 9 | 110000011 |
| 10 | 1100000011 |
| 11 | 11000000011 |
| 12 | 110000000011 |
| 13 | 1100000000011 |
| 14 | 11000000000011 |
| 15 | 110000000000011 |
| 16 | 1100000000000011 |
| 17 | 11000000000000011 |
| 18 | 110000000000000011 |
[1,11,111,1111,11011,110011,1100011,11000011, 110000011,1100000011,11000000011,110000000011, 1100000000011,11000000000011,110000000000011, 1100000000000011,11000000000000011, 110000000000000011] |