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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | -70 |
| 3 | 1287 |
| 4 | 25130 |
| 5 | -386643 |
| 6 | -22130710 |
| 7 | 1907941359 |
| 8 | 36299778410 |
| 9 | -1005983705493 |
| 10 | -95666145155350 |
| 11 | 6480809127252597 |
| 12 | 369770131548362090 |
| 13 | -14802118832469799743 |
| 14 | -1970613631611632563990 |
| 15 | 728167821747901963704783 |
| 16 | 13848758457165143828472170 |
[1,-3,-70,1287,25130,-386643,-22130710,1907941359, 36299778410,-1005983705493,-95666145155350, 6480809127252597,369770131548362090, -14802118832469799743,-1970613631611632563990, 728167821747901963704783, 13848758457165143828472170] |