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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1776 |
| 2 | 975888 |
| 3 | -66529344 |
| 4 | -79516693488 |
| 5 | 9511628122080 |
| 6 | 2031621786790848 |
| 7 | 134911299030780288 |
| 8 | 4962883791154433040 |
| 9 | 119289719378991436368 |
| 10 | 2051366007318600561120 |
| 11 | 26893975935849646148928 |
| 12 | 281804567385216854182848 |
[1,-1776,975888,-66529344,-79516693488, 9511628122080,2031621786790848,134911299030780288, 4962883791154433040,119289719378991436368, 2051366007318600561120,26893975935849646148928, 281804567385216854182848] |