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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 11000 |
| 3 | 1100011111 |
| 4 | 11000111110000000 |
| 5 | 1100011111000000011111111111 |
| 6 | 11000111110000000111111111110000000000000 |
| 7 | 1100011111000000011111111111000000000000011111111111111111 |
[11,11000,1100011111,11000111110000000, 1100011111000000011111111111, 11000111110000000111111111110000000000000, 11000111110000000111111111110000000000000111111111\ 11111111] |