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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 100 |
| 3 | 11 |
| 4 | 10100 |
| 5 | 11 |
| 6 | 1110000 |
| 7 | 101111 |
| 8 | 100010000 |
| 9 | 10001111 |
| 10 | 10001000000 |
| 11 | 1000111111 |
| 12 | 1000101000000 |
| 13 | 100000111111 |
| 14 | 101011100000000 |
| 15 | 101011111111 |
| 16 | 11100000100000000 |
| 17 | 1011100011111111 |
| 18 | 1000101010000000000 |
| 19 | 100000001111111111 |
| 20 | 100011101010000000000 |
[1,0,100,11,10100,11,1110000,101111,100010000, 10001111,10001000000,1000111111,1000101000000, 100000111111,101011100000000,101011111111, 11100000100000000,1011100011111111, 1000101010000000000,100000001111111111, 100011101010000000000] |