n | a(n) |
---|---|
1 | 1 |
2 | -3 |
3 | 3 |
4 | 9 |
5 | 21 |
6 | -33 |
7 | -1173 |
8 | -13515 |
9 | -113739 |
10 | -532209 |
11 | 6284379 |
12 | 264830061 |
13 | 5897799141 |
14 | 104393462439 |
15 | 1459983940203 |
16 | 10308316834293 |
17 | -308010522508395 |
18 | -19576840707893409 |
19 | -726806556195360069 |
20 | -22261372611370303875 |
21 | -591210850189999983099 |
[1,-3,3,9,21,-33,-1173,-13515,-113739,-532209, 6284379,264830061,5897799141,104393462439, 1459983940203,10308316834293,-308010522508395, -19576840707893409,-726806556195360069, -22261372611370303875,-591210850189999983099] |