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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.

A265668 Table read by rows: prime factors of squarefree numbers; a(1) = 1 by convention.

Table of values

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

List of values

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

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