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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -2 |
| 3 | 19 |
| 4 | -900 |
| 5 | 24677 |
| 6 | -1112326 |
| 7 | 106703735 |
| 8 | -9757606664 |
| 9 | 1107210680265 |
| 10 | -185352374028298 |
| 11 | 34591783336998875 |
| 12 | -7446994657977107084 |
| 13 | 2008734448727225846317 |
| 14 | -618914330538196467929358 |
[0,1,-2,19,-900,24677,-1112326,106703735, -9757606664,1107210680265,-185352374028298, 34591783336998875,-7446994657977107084, 2008734448727225846317,-618914330538196467929358] |