n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | -1 |
4 | 2 |
5 | -2 |
6 | 1 |
7 | -4 |
8 | 6 |
9 | -6 |
10 | -1 |
11 | 6 |
12 | -18 |
13 | 24 |
14 | -24 |
15 | 1 |
16 | -9 |
17 | 36 |
18 | -96 |
19 | 120 |
20 | -120 |
21 | -1 |
22 | 12 |
23 | -72 |
24 | 240 |
25 | -600 |
26 | 720 |
27 | -720 |
28 | 1 |
29 | -16 |
30 | 120 |
31 | -600 |
32 | 1800 |
33 | -4320 |
34 | 5040 |
35 | -5040 |
36 | -1 |
37 | 20 |
38 | -200 |
39 | 1200 |
40 | -5400 |
41 | 15120 |
42 | -35280 |
43 | 40320 |
44 | -40320 |
45 | 1 |
46 | -25 |
47 | 300 |
48 | -2400 |
49 | 12600 |
[1,1,-1,-1,2,-2,1,-4,6,-6,-1,6,-18,24,-24,1,-9,36, -96,120,-120,-1,12,-72,240,-600,720,-720,1,-16, 120,-600,1800,-4320,5040,-5040,-1,20,-200,1200, -5400,15120,-35280,40320,-40320,1,-25,300,-2400, 12600] |