The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 110 |
| 3 | 1110 |
| 4 | 11110 |
| 5 | 101110 |
| 6 | 101110 |
| 7 | 10111110 |
| 8 | 11111110 |
| 9 | 1110101110 |
| 10 | 11010101110 |
| 11 | 101010111110 |
| 12 | 101011111110 |
| 13 | 10101110101110 |
| 14 | 10101010101110 |
| 15 | 1010101010111110 |
| 16 | 1010101011111110 |
| 17 | 101010101110101110 |
| 18 | 101010101010101110 |
| 19 | 10101010101010111110 |
[1,0,110,1110,11110,101110,101110,10111110, 11111110,1110101110,11010101110,101010111110, 101011111110,10101110101110,10101010101110, 1010101010111110,1010101011111110, 101010101110101110,101010101010101110, 10101010101010111110] |