| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 101 |
| 3 | 1010 |
| 4 | 10111 |
| 5 | 101011 |
| 6 | 1011101 |
| 7 | 10101010 |
| 8 | 101111101 |
| 9 | 1010111010 |
| 10 | 10111010111 |
| 11 | 101010111011 |
| 12 | 1011111010101 |
| 13 | 10101110101010 |
| 14 | 101110101110101 |
| 15 | 1010101110101010 |
| 16 | 10111110101010101 |
| 17 | 101011101111101010 |
| 18 | 1011101010111010101 |
| 19 | 10101011111010111010 |
[1,10,101,1010,10111,101011,1011101,10101010, 101111101,1010111010,10111010111,101010111011, 1011111010101,10101110101010,101110101110101, 1010101110101010,10111110101010101, 101011101111101010,1011101010111010101, 10101011111010111010] |