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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.

A241920 After a(1)=1, each n appears A061395(n) times, where A061395 gives the index of the largest prime factor of n.

Table of values

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

List of values

[1, 2, 3, 3, 4, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9, 9, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22]

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