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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 110 |
| 3 | 1010 |
| 4 | 1010 |
| 5 | 101110 |
| 6 | 101110 |
| 7 | 11111010 |
| 8 | 111101010 |
| 9 | 1110111110 |
| 10 | 11011111110 |
| 11 | 101011111010 |
| 12 | 101111111010 |
| 13 | 10111111111110 |
| 14 | 11111111111110 |
| 15 | 1111111111111010 |
| 16 | 11111111111101010 |
| 17 | 111111111110111110 |
| 18 | 1111111111111111110 |
| 19 | 11111111111111111010 |
[1,0,110,1010,1010,101110,101110,11111010, 111101010,1110111110,11011111110,101011111010, 101111111010,10111111111110,11111111111110, 1111111111111010,11111111111101010, 111111111110111110,1111111111111111110, 11111111111111111010] |