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A266226 a(n) = floor(Sum_{d|n} 1 / tau(d)).

Table of values

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

List of values

[1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 2, 3, 1, 2, 2, 3, 1, 3, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 3, 2, 3, 2, 2, 1, 4, 1, 2, 2, 2, 2, 3, 1, 2, 2, 3, 1, 3, 1, 2, 2, 2, 2, 3, 1, 3, 2, 2, 1, 4, 2, 2, 2, 3]

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