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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 110 |
| 3 | 1100 |
| 4 | 10100 |
| 5 | 101000 |
| 6 | 1011000 |
| 7 | 11010000 |
| 8 | 111010000 |
| 9 | 1001100000 |
| 10 | 11001100000 |
| 11 | 100001000000 |
| 12 | 1011001000000 |
| 13 | 10000110000000 |
| 14 | 101010110000000 |
| 15 | 1000000100000000 |
| 16 | 10101000100000000 |
| 17 | 110101111000000000 |
| 18 | 1001101111000000000 |
| 19 | 11010011010000000000 |
[1,10,110,1100,10100,101000,1011000,11010000, 111010000,1001100000,11001100000,100001000000, 1011001000000,10000110000000,101010110000000, 1000000100000000,10101000100000000, 110101111000000000,1001101111000000000, 11010011010000000000] |