n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -3 |
3 | 8 |
4 | -16 |
5 | 29 |
6 | -191 |
7 | 1980 |
8 | -14456 |
9 | 85713 |
10 | -657171 |
11 | 7877880 |
12 | -97759608 |
13 | 1100545341 |
14 | -13021637695 |
15 | 185198054748 |
16 | -2933940050000 |
17 | 46990261427073 |
18 | -774002505048195 |
19 | 13811029423532424 |
20 | -266175983849182016 |
[0,1,-3,8,-16,29,-191,1980,-14456,85713,-657171, 7877880,-97759608,1100545341,-13021637695, 185198054748,-2933940050000,46990261427073, -774002505048195,13811029423532424, -266175983849182016] |