n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -7 |
5 | -49 |
6 | -1191 |
7 | -31569 |
8 | -1051695 |
9 | -41520593 |
10 | -1896894223 |
11 | -98362962257 |
12 | -5705059841823 |
13 | -365846227736001 |
14 | -25696840682622175 |
15 | -1961769357361345473 |
16 | -161728572333727674687 |
17 | -14318505129615014956737 |
18 | -1354916705432679538845759 |
19 | -136467389971873491004759617 |
[1,1,-1,1,-7,-49,-1191,-31569,-1051695,-41520593, -1896894223,-98362962257,-5705059841823, -365846227736001,-25696840682622175, -1961769357361345473,-161728572333727674687, -14318505129615014956737, -1354916705432679538845759, -136467389971873491004759617] |