n | a(n) |
---|---|
2 | -1 |
3 | 51 |
4 | -10 |
5 | -10594 |
6 | 2961 |
7 | -210 |
8 | 356487 |
9 | -115940 |
10 | 12642 |
11 | -420 |
12 | -101141295 |
13 | 35804857 |
14 | -4751890 |
15 | 254562 |
16 | -4620 |
17 | 48350824787 |
18 | -18071509911 |
19 | 2689347661 |
20 | -180909586 |
21 | 5471466 |
22 | -60060 |
[-1,51,-10,-10594,2961,-210,356487,-115940,12642, -420,-101141295,35804857,-4751890,254562,-4620, 48350824787,-18071509911,2689347661,-180909586, 5471466,-60060] |