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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -32 |
| 3 | -211 |
| 4 | -285 |
| 5 | 5179 |
| 6 | 44784 |
| 7 | 162062 |
| 8 | -125122 |
| 9 | -5187417 |
| 10 | -32587255 |
| 11 | -95706881 |
| 12 | 122837972 |
| 13 | 3039216222 |
| 14 | 17745876032 |
| 15 | 52825817007 |
| 16 | -24340390929 |
| 17 | -1256623249600 |
| 18 | -7805634068163 |
| 19 | -26364952524572 |
| 20 | -20649978457115 |
| 21 | 368666542515083 |
| 22 | 2777231006764690 |
[1,-1,-32,-211,-285,5179,44784,162062,-125122, -5187417,-32587255,-95706881,122837972,3039216222, 17745876032,52825817007,-24340390929, -1256623249600,-7805634068163,-26364952524572, -20649978457115,368666542515083,2777231006764690] |