The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | 1 |
| 2 | -2 |
| 3 | 3 |
| 4 | 0 |
| 5 | -8 |
| 6 | 0 |
| 7 | 21 |
| 8 | 0 |
| 9 | 0 |
| 10 | -89 |
| 11 | 144 |
| 12 | -233 |
| 13 | 0 |
| 14 | 0 |
| 15 | 987 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | -6765 |
| 20 | 10946 |
| 21 | 0 |
| 22 | -28657 |
| 23 | 46368 |
| 24 | -75025 |
| 25 | 0 |
| 26 | 196418 |
| 27 | -317811 |
| 28 | 0 |
| 29 | 0 |
[-1,1,-2,3,0,-8,0,21,0,0,-89,144,-233,0,0,987,0,0, 0,-6765,10946,0,-28657,46368,-75025,0,196418, -317811,0,0] |