n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 1 |
4 | 3 |
5 | -38 |
6 | 234 |
7 | -586 |
8 | -9493 |
9 | 194906 |
10 | -1981880 |
11 | 4724642 |
12 | 301409600 |
13 | -7840250579 |
14 | 102256372812 |
15 | -9254171165 |
16 | -39936103724491 |
17 | 1199830608004118 |
18 | -17733202003472076 |
19 | -96125957089130420 |
[1,-1,1,3,-38,234,-586,-9493,194906,-1981880, 4724642,301409600,-7840250579,102256372812, -9254171165,-39936103724491,1199830608004118, -17733202003472076,-96125957089130420] |