n | a(n) |
---|---|
0 | 1 |
1 | -6 |
2 | 30 |
3 | -156 |
4 | 798 |
5 | -4116 |
6 | 21132 |
7 | -108792 |
8 | 559134 |
9 | -2876772 |
10 | 14790660 |
11 | -76080648 |
12 | 391221516 |
13 | -2012174664 |
14 | 10347690072 |
15 | -53218984176 |
16 | 273689323038 |
17 | -1407575396484 |
18 | 7238848057812 |
19 | -37228770844776 |
20 | 191460735261828 |
21 | -984660836306904 |
22 | 5063949044206632 |
23 | -26043244926688656 |
[1,-6,30,-156,798,-4116,21132,-108792,559134, -2876772,14790660,-76080648,391221516,-2012174664, 10347690072,-53218984176,273689323038, -1407575396484,7238848057812,-37228770844776, 191460735261828,-984660836306904,5063949044206632, -26043244926688656] |