n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | -4 |
4 | -20 |
5 | -8 |
6 | 184 |
7 | 464 |
8 | -1648 |
9 | -10720 |
10 | 8224 |
11 | 230848 |
12 | 280768 |
13 | -4978816 |
14 | -17257600 |
15 | 104891648 |
16 | 727511296 |
17 | -1901510144 |
18 | -28538404352 |
19 | 11377556480 |
20 | 1107214478336 |
21 | 1759326697472 |
22 | -42984354695168 |
23 | -163379084079104 |
[1,2,2,-4,-20,-8,184,464,-1648,-10720,8224,230848, 280768,-4978816,-17257600,104891648,727511296, -1901510144,-28538404352,11377556480, 1107214478336,1759326697472,-42984354695168, -163379084079104] |