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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.

A348470 a(n) = lpf(EKG(n)) = A020639(A064413(n)).

Table of values

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

List of values

[1, 2, 2, 2, 3, 3, 2, 2, 2, 5, 3, 2, 2, 7, 3, 2, 2, 2, 2, 11, 3, 3, 2, 5, 5, 2, 2, 13, 3, 2, 2, 2, 17, 3, 2, 2, 19, 3, 3, 2, 2, 2, 23, 3, 2, 2, 2, 2, 2, 7, 3, 2, 5, 5, 2, 2, 29, 3, 2, 2, 31, 3, 2, 2, 2, 2, 37, 3, 3, 2, 2, 2, 2, 41, 3, 3, 2, 7, 2, 2, 43, 3, 2, 5]

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