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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 110 |
| 3 | 11 |
| 4 | 11100 |
| 5 | 1111 |
| 6 | 1100000 |
| 7 | 101111 |
| 8 | 110010000 |
| 9 | 11011111 |
| 10 | 11001100000 |
| 11 | 1100111111 |
| 12 | 1111111000000 |
| 13 | 11111111 |
| 14 | 111111000000000 |
| 15 | 1011111111 |
| 16 | 11010100100000000 |
| 17 | 110111111111 |
| 18 | 1101011101000000000 |
| 19 | 101001111111111 |
| 20 | 110110101110000000000 |
| 21 | 10010111111111111 |
[1,1,110,11,11100,1111,1100000,101111,110010000, 11011111,11001100000,1100111111,1111111000000, 11111111,111111000000000,1011111111, 11010100100000000,110111111111, 1101011101000000000,101001111111111, 110110101110000000000,10010111111111111] |