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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 110 |
| 3 | 1 |
| 4 | 10000 |
| 5 | 111 |
| 6 | 1100000 |
| 7 | 11111 |
| 8 | 100000000 |
| 9 | 11011111 |
| 10 | 11000000000 |
| 11 | 100111111 |
| 12 | 1100000000000 |
| 13 | 10001111111 |
| 14 | 100000100000000 |
| 15 | 11101111111111 |
| 16 | 11010001100000000 |
| 17 | 101000011111111 |
| 18 | 1110001100000000000 |
| 19 | 1000000011111111111 |
| 20 | 111111000000000000 |
[1,0,110,1,10000,111,1100000,11111,100000000, 11011111,11000000000,100111111,1100000000000, 10001111111,100000100000000,11101111111111, 11010001100000000,101000011111111, 1110001100000000000,1000000011111111111, 111111000000000000] |