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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 10 |
| 3 | 1100 |
| 4 | 11100 |
| 5 | 1000 |
| 6 | 11000 |
| 7 | 11010000 |
| 8 | 10110000 |
| 9 | 110100000 |
| 10 | 10011100000 |
| 11 | 11001000000 |
| 12 | 1001011000000 |
| 13 | 10111010000000 |
| 14 | 11001110000000 |
| 15 | 1010100100000000 |
| 16 | 10110101100000000 |
| 17 | 10111101000000000 |
| 18 | 1011000111000000000 |
| 19 | 11010010010000000000 |
[1,10,10,1100,11100,1000,11000,11010000,10110000, 110100000,10011100000,11001000000,1001011000000, 10111010000000,11001110000000,1010100100000000, 10110101100000000,10111101000000000, 1011000111000000000,11010010010000000000] |