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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.

A264940 Lucky factor of n.

Table of values

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

List of values

[0, 2, 0, 2, 3, 2, 0, 2, 0, 2, 3, 2, 0, 2, 0, 2, 3, 2, 7, 2, 0, 2, 3, 2, 0, 2, 9, 2, 3, 2, 0, 2, 0, 2, 3, 2, 0, 2, 7, 2, 3, 2, 0, 2, 13, 2, 3, 2, 0, 2, 0, 2, 3, 2, 15, 2, 9, 2, 3, 2, 7, 2, 0, 2, 3, 2, 0, 2, 0, 2, 3, 2, 0, 2, 0, 2, 3, 2, 0, 2, 7, 2, 3, 2, 21, 2]

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