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A351023 Dirichlet g.f.: Product_{k>=2} 1 / (1 + 2 * k^(-s)).

Table of values

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

List of values

[1, -2, -2, 2, -2, 2, -2, -6, 2, 2, -2, -2, -2, 2, 2, 14, -2, -2, -2, -2, 2, 2, -2, 10, 2, 2, -6, -2, -2, 2, -2, -26, 2, 2, 2, 6, -2, 2, 2, 10, -2, 2, -2, -2, -2, 2, -2, -18, 2, -2, 2, -2, -2, 10, 2, 10, 2, 2, -2, 2, -2, 2, -2, 50, 2, 2, -2, -2, 2, 2, -2, -14, -2, 2, -2]

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