n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -2 |
3 | -3 |
4 | 16 |
5 | -10 |
6 | -114 |
7 | 462 |
8 | -496 |
9 | -2952 |
10 | 16920 |
11 | -31680 |
12 | -130008 |
13 | 1707576 |
14 | -14259504 |
15 | 138375720 |
16 | -1652311680 |
17 | 22238105280 |
18 | -321916019904 |
19 | 4959460972224 |
20 | -81123831838080 |
21 | 1405677742882560 |
22 | -25732182778727040 |
23 | 496324987642915200 |
24 | -10061966722201900416 |
[1,1,-2,-3,16,-10,-114,462,-496,-2952,16920, -31680,-130008,1707576,-14259504,138375720, -1652311680,22238105280,-321916019904, 4959460972224,-81123831838080,1405677742882560, -25732182778727040,496324987642915200, -10061966722201900416] |