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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -4 |
| 3 | -1 |
| 4 | -8 |
| 5 | -1 |
| 6 | -8 |
| 7 | -3 |
| 8 | -8 |
| 9 | 1 |
| 10 | 104 |
| 11 | -41 |
| 12 | -920 |
| 13 | 1767 |
| 14 | 20168 |
| 15 | -8317 |
| 16 | -2022392 |
| 17 | 869807 |
| 18 | 291391192 |
| 19 | -129169263 |
| 20 | -2759924456 |
| 21 | 250158593 |
| 22 | 146772324808 |
| 23 | -67632514765 |
| 24 | -10164962436952 |
[1,-1,-4,-1,-8,-1,-8,-3,-8,1,104,-41,-920,1767, 20168,-8317,-2022392,869807,291391192,-129169263, -2759924456,250158593,146772324808,-67632514765, -10164962436952] |