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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | -482 |
| 3 | -62352 |
| 4 | 33420 |
| 5 | 264675744 |
| 6 | 6175426056 |
| 7 | -1531951397568 |
| 8 | -82502038912368 |
| 9 | 10986387695118720 |
| 10 | 1049257719206417376 |
| 11 | -91053796553402040576 |
| 12 | -14396552453405934395712 |
| 13 | 810501742160249881655808 |
| 14 | 217462224255991218838362240 |
| 15 | -6786058422733831994965134336 |
[1,24,-482,-62352,33420,264675744,6175426056, -1531951397568,-82502038912368,10986387695118720, 1049257719206417376,-91053796553402040576, -14396552453405934395712,810501742160249881655808, 217462224255991218838362240, -6786058422733831994965134336] |