n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | -2 |
4 | 0 |
5 | -4 |
6 | 2 |
7 | -6 |
8 | 0 |
9 | 0 |
10 | 4 |
11 | -10 |
12 | 0 |
13 | -12 |
14 | 6 |
15 | 8 |
16 | 0 |
17 | -16 |
18 | 0 |
19 | -18 |
20 | 0 |
21 | 12 |
22 | 10 |
23 | -22 |
24 | 0 |
25 | 0 |
26 | 12 |
27 | 0 |
28 | 0 |
29 | -28 |
30 | -8 |
31 | -30 |
32 | 0 |
33 | 20 |
34 | 16 |
35 | 24 |
36 | 0 |
37 | -36 |
38 | 18 |
39 | 24 |
40 | 0 |
41 | -40 |
42 | -12 |
43 | -42 |
44 | 0 |
45 | 0 |
46 | 22 |
47 | -46 |
48 | 0 |
49 | 0 |
50 | 0 |
51 | 32 |
52 | 0 |
53 | -52 |
54 | 0 |
55 | 40 |
56 | 0 |
57 | 36 |
58 | 28 |
59 | -58 |
60 | 0 |
61 | -60 |
62 | 30 |
63 | 0 |
64 | 0 |
65 | 48 |
66 | -20 |
67 | -66 |
68 | 0 |
69 | 44 |
70 | -24 |
71 | -70 |
72 | 0 |
73 | -72 |
74 | 36 |
75 | 0 |
76 | 0 |
77 | 60 |
78 | -24 |
79 | -78 |
80 | 0 |
81 | 0 |
82 | 40 |
83 | -82 |
84 | 0 |
[1,-1,-2,0,-4,2,-6,0,0,4,-10,0,-12,6,8,0,-16,0, -18,0,12,10,-22,0,0,12,0,0,-28,-8,-30,0,20,16,24, 0,-36,18,24,0,-40,-12,-42,0,0,22,-46,0,0,0,32,0, -52,0,40,0,36,28,-58,0,-60,30,0,0,48,-20,-66,0,44, -24,-70,0,-72,36,0,0,60,-24,-78,0,0,40,-82,0] |