n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 0 |
3 | 2 |
4 | -2 |
5 | 0 |
6 | 4 |
7 | -4 |
8 | 0 |
9 | 6 |
10 | -8 |
11 | 0 |
12 | 10 |
13 | -12 |
14 | 0 |
15 | 16 |
16 | -18 |
17 | 0 |
18 | 24 |
19 | -28 |
20 | 0 |
21 | 36 |
22 | -40 |
23 | 0 |
24 | 52 |
25 | -58 |
26 | 0 |
27 | 74 |
28 | -84 |
29 | 0 |
30 | 104 |
31 | -116 |
32 | 0 |
33 | 144 |
34 | -160 |
35 | 0 |
36 | 198 |
37 | -220 |
38 | 0 |
39 | 268 |
40 | -296 |
41 | 0 |
42 | 360 |
43 | -396 |
44 | 0 |
45 | 480 |
46 | -528 |
47 | 0 |
48 | 634 |
49 | -694 |
50 | 0 |
51 | 832 |
52 | -908 |
53 | 0 |
54 | 1084 |
55 | -1184 |
56 | 0 |
57 | 1404 |
58 | -1528 |
59 | 0 |
[1,-2,0,2,-2,0,4,-4,0,6,-8,0,10,-12,0,16,-18,0,24, -28,0,36,-40,0,52,-58,0,74,-84,0,104,-116,0,144, -160,0,198,-220,0,268,-296,0,360,-396,0,480,-528, 0,634,-694,0,832,-908,0,1084,-1184,0,1404,-1528,0] |