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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -7 |
| 3 | 873 |
| 4 | -335023 |
| 5 | 314308145 |
| 6 | -608475110391 |
| 7 | 2176841249613401 |
| 8 | -13293673514920102879 |
| 9 | 130392618478782066711009 |
| 10 | -1956708639203083689685074535 |
| 11 | 43167469497976800185127921454793 |
| 12 | -1354293569879914292359532215444184463 |
| 13 | 58748391997267678043451322126451570916113 |
[1,1,-7,873,-335023,314308145,-608475110391, 2176841249613401,-13293673514920102879, 130392618478782066711009, -1956708639203083689685074535, 43167469497976800185127921454793, -1354293569879914292359532215444184463, 58748391997267678043451322126451570916113] |