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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.

A256564 Smallest prime factor of A166133(n).

Table of values

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

List of values

[1, 2, 2, 3, 2, 7, 2, 5, 2, 11, 2, 3, 2, 3, 2, 13, 3, 2, 19, 2, 17, 2, 23, 2, 3, 2, 3, 2, 5, 3, 2, 37, 2, 5, 2, 3, 2, 31, 2, 29, 2, 41, 2, 43, 2, 3, 2, 47, 2, 7, 2, 3, 2, 53, 2, 5, 2, 3, 2, 59, 2, 61, 2, 3, 2, 5, 2, 67, 2, 3, 2, 79, 2, 7, 2, 3, 2, 73, 2, 71]

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