n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | 2 |
5 | -3 |
6 | 3 |
7 | -6 |
8 | 8 |
9 | -6 |
10 | 4 |
11 | 24 |
12 | -30 |
13 | 20 |
14 | -10 |
15 | 5 |
16 | -120 |
17 | 144 |
18 | -90 |
19 | 40 |
20 | -15 |
21 | 6 |
22 | 720 |
23 | -840 |
24 | 504 |
25 | -210 |
26 | 70 |
27 | -21 |
28 | 7 |
29 | -5040 |
30 | 5760 |
31 | -3360 |
32 | 1344 |
33 | -420 |
34 | 112 |
35 | -28 |
36 | 8 |
37 | 40320 |
38 | -45360 |
39 | 25920 |
40 | -10080 |
41 | 3024 |
42 | -756 |
43 | 168 |
44 | -36 |
45 | 9 |
46 | -362880 |
47 | 403200 |
48 | -226800 |
49 | 86400 |
50 | -25200 |
51 | 6048 |
52 | -1260 |
53 | 240 |
54 | -45 |
55 | 10 |
[1,-1,2,2,-3,3,-6,8,-6,4,24,-30,20,-10,5,-120,144, -90,40,-15,6,720,-840,504,-210,70,-21,7,-5040, 5760,-3360,1344,-420,112,-28,8,40320,-45360,25920, -10080,3024,-756,168,-36,9,-362880,403200,-226800, 86400,-25200,6048,-1260,240,-45,10] |