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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 110 |
| 3 | 11 |
| 4 | 11100 |
| 5 | 111 |
| 6 | 1111000 |
| 7 | 1101111 |
| 8 | 110110000 |
| 9 | 11011111 |
| 10 | 11001100000 |
| 11 | 1110111111 |
| 12 | 1111111000000 |
| 13 | 1101101111111 |
| 14 | 111110110000000 |
| 15 | 1111011111111 |
| 16 | 11100001100000000 |
| 17 | 10111110111111111 |
| 18 | 1110100111000000000 |
| 19 | 110111101111111111 |
| 20 | 110010100110000000000 |
[1,1,110,11,11100,111,1111000,1101111,110110000, 11011111,11001100000,1110111111,1111111000000, 1101101111111,111110110000000,1111011111111, 11100001100000000,10111110111111111, 1110100111000000000,110111101111111111, 110010100110000000000] |