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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.

A086287 Greatest prime factor of 7-smooth numbers.

Table of values

n a(n)
1 1
2 2
3 3
4 2
5 5
6 3
7 7
8 2
9 3
10 5
11 3
12 7
13 5
14 2
15 3
16 5
17 7
18 3
19 5
20 3
21 7
22 5
23 2
24 7
25 3
26 5
27 7
28 5
29 3
30 7
31 5
32 3
33 7
34 5
35 7
36 2
37 7
38 3
39 5
40 5
41 3
42 7
43 5
44 3
45 7
46 5
47 7
48 3
49 7
50 5
51 5
52 7
53 2
54 5
55 7
56 3
57 7
58 5
59 5
60 3
61 7
62 7
63 5
64 7
65 3
66 7
67 5
68 7
69 3
70 7
71 5
72 5
73 3
74 7
75 5
76 7
77 2
78 5
79 7
80 3
81 7
82 5
83 7
84 5
85 3
86 7
87 7
88 7
89 5
90 5
91 7
92 3
93 7
94 5
95 5
96 7
97 3
98 7
99 7
100 5

List of values

[1, 2, 3, 2, 5, 3, 7, 2, 3, 5, 3, 7, 5, 2, 3, 5, 7, 3, 5, 3, 7, 5, 2, 7, 3, 5, 7, 5, 3, 7, 5, 3, 7, 5, 7, 2, 7, 3, 5, 5, 3, 7, 5, 3, 7, 5, 7, 3, 7, 5, 5, 7, 2, 5, 7, 3, 7, 5, 5, 3, 7, 7, 5, 7, 3, 7, 5, 7, 3, 7, 5, 5, 3, 7, 5, 7, 2, 5, 7, 3, 7, 5, 7, 5, 3, 7, 7, 7, 5, 5, 7, 3, 7, 5, 5, 7, 3, 7, 7, 5]

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