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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A227872 Number of odious divisors (A000069) of n.

Table of values

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

List of values

[1, 2, 1, 3, 1, 2, 2, 4, 1, 2, 2, 3, 2, 4, 1, 5, 1, 2, 2, 3, 3, 4, 1, 4, 2, 4, 1, 6, 1, 2, 2, 6, 2, 2, 3, 3, 2, 4, 2, 4, 2, 6, 1, 6, 1, 2, 2, 5, 3, 4, 1, 6, 1, 2, 3, 8, 2, 2, 2, 3, 2, 4, 3, 7, 2, 4, 2, 3, 2, 6, 1, 4, 2, 4, 2, 6, 3, 4, 2, 5, 2, 4, 1, 9, 1, 2, 2]

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