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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 101 |
| 3 | 1010 |
| 4 | 10101 |
| 5 | 101010 |
| 6 | 1010101 |
| 7 | 10101010 |
| 8 | 101010101 |
| 9 | 1010101010 |
| 10 | 10101010101 |
| 11 | 101010101010 |
| 12 | 1010101010101 |
| 13 | 10101110101010 |
| 14 | 101010101010101 |
| 15 | 1011111110101010 |
| 16 | 10100000101010101 |
| 17 | 101011101110101010 |
| 18 | 1010000010101010101 |
| 19 | 10111111111110101010 |
[1,10,101,1010,10101,101010,1010101,10101010, 101010101,1010101010,10101010101,101010101010, 1010101010101,10101110101010,101010101010101, 1011111110101010,10100000101010101, 101011101110101010,1010000010101010101, 10111111111110101010] |