n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 6 |
3 | 3 |
4 | -24 |
5 | 30 |
6 | -4 |
7 | 60 |
8 | -180 |
9 | 140 |
10 | 5 |
11 | -120 |
12 | 630 |
13 | -1120 |
14 | 630 |
15 | -6 |
16 | 210 |
17 | -1680 |
18 | 5040 |
19 | -6300 |
20 | 2772 |
21 | 7 |
22 | -336 |
23 | 3780 |
24 | -16800 |
25 | 34650 |
26 | -33264 |
27 | 12012 |
28 | -8 |
29 | 504 |
30 | -7560 |
31 | 46200 |
32 | -138600 |
33 | 216216 |
34 | -168168 |
35 | 51480 |
36 | 9 |
37 | -720 |
38 | 13860 |
39 | -110880 |
40 | 450450 |
41 | -1009008 |
42 | 1261260 |
43 | -823680 |
44 | 218790 |
[1,-2,6,3,-24,30,-4,60,-180,140,5,-120,630,-1120, 630,-6,210,-1680,5040,-6300,2772,7,-336,3780, -16800,34650,-33264,12012,-8,504,-7560,46200, -138600,216216,-168168,51480,9,-720,13860,-110880, 450450,-1009008,1261260,-823680,218790] |