n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 0 |
3 | 0 |
4 | -1 |
5 | 0 |
6 | 1 |
7 | -1 |
8 | 0 |
9 | 2 |
10 | -1 |
11 | 0 |
12 | 2 |
13 | -2 |
14 | 0 |
15 | 2 |
16 | -3 |
17 | 0 |
18 | 3 |
19 | -3 |
20 | 0 |
21 | 4 |
22 | -4 |
23 | 0 |
24 | 5 |
25 | -6 |
26 | 0 |
27 | 6 |
28 | -7 |
29 | 0 |
30 | 7 |
31 | -8 |
32 | 0 |
33 | 10 |
34 | -10 |
35 | 0 |
36 | 13 |
37 | -13 |
38 | 0 |
39 | 14 |
40 | -16 |
41 | 0 |
42 | 17 |
43 | -18 |
44 | 0 |
45 | 22 |
46 | -22 |
47 | 0 |
48 | 26 |
49 | -28 |
50 | 0 |
51 | 30 |
52 | -33 |
53 | 0 |
54 | 36 |
55 | -38 |
56 | 0 |
57 | 44 |
58 | -45 |
59 | 0 |
60 | 52 |
61 | -55 |
62 | 0 |
63 | 60 |
64 | -65 |
65 | 0 |
66 | 70 |
67 | -74 |
68 | 0 |
69 | 84 |
70 | -87 |
71 | 0 |
72 | 99 |
73 | -104 |
74 | 0 |
75 | 112 |
76 | -121 |
77 | 0 |
78 | 131 |
79 | -138 |
80 | 0 |
81 | 156 |
82 | -160 |
[1,-1,0,0,-1,0,1,-1,0,2,-1,0,2,-2,0,2,-3,0,3,-3,0, 4,-4,0,5,-6,0,6,-7,0,7,-8,0,10,-10,0,13,-13,0,14, -16,0,17,-18,0,22,-22,0,26,-28,0,30,-33,0,36,-38, 0,44,-45,0,52,-55,0,60,-65,0,70,-74,0,84,-87,0,99, -104,0,112,-121,0,131,-138,0,156,-160] |