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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 4 |
| 2 | -58 |
| 3 | -1976 |
| 4 | 116042 |
| 5 | 17175244 |
| 6 | -594271858 |
| 7 | -470273780336 |
| 8 | -11672416091758 |
| 9 | 34320709687067284 |
| 10 | 5944386529990688342 |
| 11 | -5070047337737884665896 |
| 12 | -2469435785086687214539558 |
[2,4,-58,-1976,116042,17175244,-594271858, -470273780336,-11672416091758,34320709687067284, 5944386529990688342,-5070047337737884665896, -2469435785086687214539558] |