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 | 11001 |
| 5 | 10000 |
| 6 | 11111 |
| 7 | 10100010 |
| 8 | 111001 |
| 9 | 1101010000 |
| 10 | 1101011111 |
| 11 | 11100100010 |
| 12 | 101100111001 |
| 13 | 111011010000 |
| 14 | 111010110011111 |
| 15 | 10001100100010 |
| 16 | 10001011110111001 |
| 17 | 11100100111010000 |
| 18 | 101100111011011111 |
| 19 | 11101011110100010 |
| 20 | 110101001100110111001 |
[1,0,111,10,11001,10000,11111,10100010,111001, 1101010000,1101011111,11100100010,101100111001, 111011010000,111010110011111,10001100100010, 10001011110111001,11100100111010000, 101100111011011111,11101011110100010, 110101001100110111001] |