n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -1 |
5 | -1 |
6 | 1 |
7 | -1 |
8 | -2 |
9 | 1 |
10 | 1 |
11 | -1 |
12 | -4 |
13 | 0 |
14 | -1 |
15 | 1 |
16 | -1 |
17 | -8 |
18 | -6 |
19 | -12 |
20 | 41 |
21 | 1 |
22 | -1 |
23 | -16 |
24 | -30 |
25 | -72 |
26 | 180 |
27 | -131 |
28 | 1 |
29 | -1 |
30 | -32 |
31 | -114 |
32 | -360 |
33 | 840 |
34 | -1080 |
35 | 1499 |
36 | 1 |
37 | -1 |
38 | -64 |
39 | -390 |
40 | -1656 |
41 | 4200 |
42 | -8640 |
43 | 15120 |
44 | -4159 |
45 | 1 |
46 | -1 |
47 | -128 |
48 | -1266 |
49 | -7272 |
50 | 22440 |
51 | -69120 |
52 | 161280 |
53 | -45360 |
[1,1,-1,1,-1,-1,1,-1,-2,1,1,-1,-4,0,-1,1,-1,-8,-6, -12,41,1,-1,-16,-30,-72,180,-131,1,-1,-32,-114, -360,840,-1080,1499,1,-1,-64,-390,-1656,4200, -8640,15120,-4159,1,-1,-128,-1266,-7272,22440, -69120,161280,-45360] |