n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -3 |
5 | 1 |
6 | 3 |
7 | -6 |
8 | 1 |
9 | 15 |
10 | -10 |
11 | 1 |
12 | -15 |
13 | 45 |
14 | -15 |
15 | 1 |
16 | -105 |
17 | 105 |
18 | -21 |
19 | 1 |
20 | 105 |
21 | -420 |
22 | 210 |
23 | -28 |
24 | 1 |
25 | 945 |
26 | -1260 |
27 | 378 |
28 | -36 |
29 | 1 |
30 | -945 |
31 | 4725 |
32 | -3150 |
33 | 630 |
34 | -45 |
35 | 1 |
36 | -10395 |
37 | 17325 |
38 | -6930 |
39 | 990 |
40 | -55 |
41 | 1 |
42 | 10395 |
43 | -62370 |
44 | 51975 |
45 | -13860 |
46 | 1485 |
47 | -66 |
48 | 1 |
49 | 135135 |
50 | -270270 |
51 | 135135 |
52 | -25740 |
53 | 2145 |
54 | -78 |
55 | 1 |
[1,1,-1,1,-3,1,3,-6,1,15,-10,1,-15,45,-15,1,-105, 105,-21,1,105,-420,210,-28,1,945,-1260,378,-36,1, -945,4725,-3150,630,-45,1,-10395,17325,-6930,990, -55,1,10395,-62370,51975,-13860,1485,-66,1,135135, -270270,135135,-25740,2145,-78,1] |