n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 2 |
3 | -2 |
4 | 0 |
5 | 2 |
6 | -4 |
7 | 6 |
8 | -4 |
9 | 0 |
10 | 6 |
11 | -12 |
12 | 14 |
13 | -10 |
14 | 0 |
15 | 14 |
16 | -26 |
17 | 30 |
18 | -22 |
19 | 0 |
20 | 28 |
21 | -52 |
22 | 60 |
23 | -42 |
24 | 0 |
25 | 54 |
26 | -100 |
27 | 112 |
28 | -78 |
29 | 0 |
30 | 100 |
31 | -180 |
32 | 202 |
33 | -140 |
34 | 0 |
35 | 174 |
36 | -314 |
37 | 350 |
38 | -240 |
39 | 0 |
40 | 296 |
41 | -532 |
42 | 588 |
43 | -402 |
44 | 0 |
45 | 492 |
46 | -876 |
47 | 966 |
48 | -658 |
49 | 0 |
50 | 794 |
51 | -1412 |
52 | 1550 |
53 | -1050 |
54 | 0 |
55 | 1260 |
56 | -2232 |
[1,-2,2,-2,0,2,-4,6,-4,0,6,-12,14,-10,0,14,-26,30, -22,0,28,-52,60,-42,0,54,-100,112,-78,0,100,-180, 202,-140,0,174,-314,350,-240,0,296,-532,588,-402, 0,492,-876,966,-658,0,794,-1412,1550,-1050,0,1260, -2232] |