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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 100 |
| 3 | 11 |
| 4 | 10000 |
| 5 | 10111 |
| 6 | 1100000 |
| 7 | 101111 |
| 8 | 101000000 |
| 9 | 101011111 |
| 10 | 10110000000 |
| 11 | 10010111111 |
| 12 | 1100100000000 |
| 13 | 101111111 |
| 14 | 100011000000000 |
| 15 | 100001011111111 |
| 16 | 10000010000000000 |
| 17 | 10101010111111111 |
| 18 | 1010001100000000000 |
| 19 | 100100101111111111 |
| 20 | 111000001000000000000 |
[1,1,100,11,10000,10111,1100000,101111,101000000, 101011111,10110000000,10010111111,1100100000000, 101111111,100011000000000,100001011111111, 10000010000000000,10101010111111111, 1010001100000000000,100100101111111111, 111000001000000000000] |