n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -2 |
3 | 6 |
4 | -27 |
5 | 159 |
6 | -1166 |
7 | 10238 |
8 | -104794 |
9 | 1225453 |
10 | -16119336 |
11 | 235574622 |
12 | -3786965344 |
13 | 66410682571 |
14 | -1261666673216 |
15 | 25812801065366 |
16 | -565833283234896 |
17 | 13230321868853913 |
18 | -328685995742718848 |
19 | 8646006262194855830 |
[0,1,-2,6,-27,159,-1166,10238,-104794,1225453, -16119336,235574622,-3786965344,66410682571, -1261666673216,25812801065366,-565833283234896, 13230321868853913,-328685995742718848, 8646006262194855830] |