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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 100 |
| 3 | 11 |
| 4 | 11000 |
| 5 | 111 |
| 6 | 0 |
| 7 | 11111111 |
| 8 | 0 |
| 9 | 1000011111 |
| 10 | 0 |
| 11 | 11111111 |
| 12 | 1001000000000 |
| 13 | 100111111111 |
| 14 | 110000000000000 |
| 15 | 1111111111111 |
| 16 | 0 |
| 17 | 110001000111111111 |
| 18 | 1101000000000000 |
| 19 | 11100001111111111111 |
| 20 | 1100000000000000 |
| 21 | 1100000100111111111111 |
| 22 | 0 |
[1,1,100,11,11000,111,0,11111111,0,1000011111,0, 11111111,1001000000000,100111111111, 110000000000000,1111111111111,0, 110001000111111111,1101000000000000, 11100001111111111111,1100000000000000, 1100000100111111111111,0] |