The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 0 |
| 3 | 1000 |
| 4 | 1000 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 1100000 |
| 9 | 0 |
| 10 | 10000000 |
| 11 | 1000000000 |
| 12 | 0 |
| 13 | 110000000000 |
| 14 | 0 |
| 15 | 10000000000000 |
| 16 | 11111000000000 |
| 17 | 1000000000000000 |
| 18 | 1001100000000000 |
| 19 | 101100000000000000 |
| 20 | 100000000000000000 |
| 21 | 10001100000000000000 |
| 22 | 11010000000000000000 |
[1,10,0,1000,1000,0,0,0,1100000,0,10000000, 1000000000,0,110000000000,0,10000000000000, 11111000000000,1000000000000000,1001100000000000, 101100000000000000,100000000000000000, 10001100000000000000,11010000000000000000] |