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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 11 |
| 3 | 1110 |
| 4 | 111 |
| 5 | 111100 |
| 6 | 1111 |
| 7 | 11111011 |
| 8 | 11110 |
| 9 | 1111111111 |
| 10 | 110110 |
| 11 | 111111101011 |
| 12 | 1111110 |
| 13 | 11111111111111 |
| 14 | 11000000 |
| 15 | 1111111110111111 |
| 16 | 111101100 |
| 17 | 111111111111110111 |
| 18 | 1100111100 |
| 19 | 11111111111011100111 |
| 20 | 11110111111 |
| 21 | 1111111111111111100110 |
| 22 | 110000011111 |
[1,11,11,1110,111,111100,1111,11111011,11110, 1111111111,110110,111111101011,1111110, 11111111111111,11000000,1111111110111111, 111101100,111111111111110111,1100111100, 11111111111011100111,11110111111, 1111111111111111100110,110000011111] |