The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 111 |
| 3 | 10 |
| 4 | 11011 |
| 5 | 11110 |
| 6 | 1100111 |
| 7 | 1101010 |
| 8 | 111101011 |
| 9 | 1101110 |
| 10 | 11111110111 |
| 11 | 111010 |
| 12 | 1111111011011 |
| 13 | 11111110 |
| 14 | 111111100000111 |
| 15 | 1011101010 |
| 16 | 11111001101101011 |
| 17 | 10111111101110 |
| 18 | 1110011000001110111 |
| 19 | 100111111010111010 |
| 20 | 110111000011011011011 |
[1,0,111,10,11011,11110,1100111,1101010,111101011, 1101110,11111110111,111010,1111111011011,11111110, 111111100000111,1011101010,11111001101101011, 10111111101110,1110011000001110111, 100111111010111010,110111000011011011011] |