n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -3 |
3 | 15 |
4 | -82 |
5 | 484 |
6 | -2992 |
7 | 19110 |
8 | -124979 |
9 | 832234 |
10 | -5621028 |
11 | 38402783 |
12 | -264858143 |
13 | 1841221687 |
14 | -12886279885 |
15 | 90713376563 |
16 | -641815393278 |
17 | 4561172770669 |
18 | -32542369727538 |
19 | 232992967457839 |
[1,1,-3,15,-82,484,-2992,19110,-124979,832234, -5621028,38402783,-264858143,1841221687, -12886279885,90713376563,-641815393278, 4561172770669,-32542369727538,232992967457839] |