n | a(n) |
---|---|
2 | 1 |
3 | -552 |
4 | 8640 |
5 | 116000 |
6 | -4868460 |
7 | 67855536 |
8 | -544522240 |
9 | 2742137280 |
10 | -8237774250 |
11 | 10592091400 |
12 | 3366617856 |
13 | 113971542048 |
14 | -1217020425880 |
15 | 4535746506000 |
16 | -5415752171520 |
17 | -19090509870144 |
18 | 93580817811453 |
19 | -142801363479240 |
20 | -80721277168000 |
21 | 665065363025280 |
[1,-552,8640,116000,-4868460,67855536,-544522240, 2742137280,-8237774250,10592091400,3366617856, 113971542048,-1217020425880,4535746506000, -5415752171520,-19090509870144,93580817811453, -142801363479240,-80721277168000,665065363025280] |