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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | -3 |
| 7 | 0 |
| 8 | 17 |
| 9 | 0 |
| 10 | -155 |
| 11 | 0 |
| 12 | 2073 |
| 13 | 0 |
| 14 | -38227 |
| 15 | 0 |
| 16 | 929569 |
| 17 | 0 |
| 18 | -28820619 |
| 19 | 0 |
| 20 | 1109652905 |
| 21 | 0 |
| 22 | -51943281731 |
| 23 | 0 |
| 24 | 2905151042481 |
| 25 | 0 |
| 26 | -191329672483963 |
| 27 | 0 |
| 28 | 14655626154768697 |
| 29 | 0 |
| 30 | -1291885088448017715 |
| 31 | 0 |
| 32 | 129848163681107301953 |
[1,-1,0,1,0,-3,0,17,0,-155,0,2073,0,-38227,0, 929569,0,-28820619,0,1109652905,0,-51943281731,0, 2905151042481,0,-191329672483963,0, 14655626154768697,0,-1291885088448017715,0, 129848163681107301953] |