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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -16 |
| 2 | 786 |
| 3 | -95184 |
| 4 | 21536802 |
| 5 | -7826481936 |
| 6 | 4171610593458 |
| 7 | -3065657686804944 |
| 8 | 2970875779254468162 |
| 9 | -3670749245446679143440 |
| 10 | 5632318074161153772233298 |
| 11 | -10506981374857963835979345360 |
[2,-16,786,-95184,21536802,-7826481936, 4171610593458,-3065657686804944, 2970875779254468162,-3670749245446679143440, 5632318074161153772233298, -10506981374857963835979345360] |