The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 11 |
| 3 | 1110 |
| 4 | 101 |
| 5 | 111100 |
| 6 | 1100 |
| 7 | 11111000 |
| 8 | 10111 |
| 9 | 1111111010 |
| 10 | 110101 |
| 11 | 111111100000 |
| 12 | 1010000 |
| 13 | 11111111101100 |
| 14 | 11000111 |
| 15 | 1111111110011100 |
| 16 | 101110111 |
| 17 | 111111111111000110 |
| 18 | 1101111011 |
| 19 | 11111111111011110110 |
| 20 | 10110001101 |
| 21 | 1111111111111100011000 |
| 22 | 110111101100 |
[1,10,11,1110,101,111100,1100,11111000,10111, 1111111010,110101,111111100000,1010000, 11111111101100,11000111,1111111110011100, 101110111,111111111111000110,1101111011, 11111111111011110110,10110001101, 1111111111111100011000,110111101100] |