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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 11 |
| 3 | 1110 |
| 4 | 111 |
| 5 | 111110 |
| 6 | 1111 |
| 7 | 11111110 |
| 8 | 11011 |
| 9 | 1111111100 |
| 10 | 110011 |
| 11 | 111111111111 |
| 12 | 1111111 |
| 13 | 11111111100011 |
| 14 | 11111110 |
| 15 | 1111111111100111 |
| 16 | 110011111 |
| 17 | 111111111111111110 |
| 18 | 1101101111 |
| 19 | 11111111111111111111 |
| 20 | 11111111100 |
| 21 | 1111111111111000001111 |
| 22 | 111111111000 |
[1,11,11,1110,111,111110,1111,11111110,11011, 1111111100,110011,111111111111,1111111, 11111111100011,11111110,1111111111100111, 110011111,111111111111111110,1101101111, 11111111111111111111,11111111100, 1111111111111000001111,111111111000] |