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A054014 Chowla function of n read modulo (the number of divisors of n).

Table of values

n a(n)
1 0
2 0
3 0
4 2
5 0
6 1
7 0
8 2
9 0
10 3
11 0
12 3
13 0
14 1
15 0
16 4
17 0
18 2
19 0
20 3
21 2
22 1
23 0
24 3
25 2
26 3
27 0
28 3
29 0
30 1
31 0
32 0
33 2
34 3
35 0
36 0
37 0
38 1
39 0
40 1
41 0
42 5
43 0
44 3
45 2
46 1
47 0
48 5
49 1
50 0
51 0
52 3
53 0
54 1
55 0
56 7
57 2
58 3
59 0
60 11
61 0
62 1
63 4
64 6
65 2
66 5
67 0
68 3
69 2
70 1
71 0
72 2
73 0
74 3
75 0
76 3
77 2
78 1
79 0
80 5
81 4
82 3
83 0
84 7
85 2
86 1
87 0
88 3
89 0
90 11
91 0
92 3
93 2
94 1
95 0
96 11
97 0
98 0
99 2
100 8
101 0
102 1
103 0

List of values

[0, 0, 0, 2, 0, 1, 0, 2, 0, 3, 0, 3, 0, 1, 0, 4, 0, 2, 0, 3, 2, 1, 0, 3, 2, 3, 0, 3, 0, 1, 0, 0, 2, 3, 0, 0, 0, 1, 0, 1, 0, 5, 0, 3, 2, 1, 0, 5, 1, 0, 0, 3, 0, 1, 0, 7, 2, 3, 0, 11, 0, 1, 4, 6, 2, 5, 0, 3, 2, 1, 0, 2, 0, 3, 0, 3, 2, 1, 0, 5, 4, 3, 0, 7, 2, 1, 0, 3, 0, 11, 0, 3, 2, 1, 0, 11, 0, 0, 2, 8, 0, 1, 0]