n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -2 |
3 | -7 |
4 | -54 |
5 | -544 |
6 | -7005 |
7 | -108220 |
8 | -1958263 |
9 | -40629205 |
10 | -951376217 |
11 | -24826365255 |
12 | -714568797261 |
13 | -22491957589783 |
14 | -768651303338761 |
15 | -28344950796904518 |
16 | -1121910285249842486 |
17 | -47442295013058570884 |
18 | -2134673855370621621400 |
[1,-1,-2,-7,-54,-544,-7005,-108220,-1958263, -40629205,-951376217,-24826365255,-714568797261, -22491957589783,-768651303338761, -28344950796904518,-1121910285249842486, -47442295013058570884,-2134673855370621621400] |