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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.

A361120 a(n) is the greatest prime factor of A360519(n) with a(1) = 1.

Table of values

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

List of values

[1, 3, 5, 7, 7, 3, 5, 11, 11, 3, 7, 11, 11, 5, 5, 11, 13, 13, 3, 7, 13, 13, 5, 17, 17, 7, 3, 13, 17, 17, 7, 19, 19, 5, 3, 11, 17, 17, 5, 23, 23, 19, 19, 13, 13, 5, 7, 29, 29, 31, 31, 7, 7, 37, 37, 17, 17, 41, 41, 5, 23, 23, 7, 5, 29, 29, 7, 3, 43, 43, 5, 11, 47]

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