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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.

A376833 Second smallest prime factor of numbers m that are both squarefree and composite.

Table of values

n a(n)
1 3
2 5
3 7
4 5
5 7
6 11
7 13
8 3
9 11
10 17
11 7
12 19
13 13
14 3
15 23
16 17
17 11
18 19
19 29
20 31
21 13
22 3
23 23
24 5
25 37
26 11
27 3
28 41
29 17
30 43
31 29
32 13
33 31
34 47
35 19
36 3
37 5
38 53
39 5
40 37
41 3
42 23
43 59
44 17
45 61
46 41
47 43
48 5
49 19
50 67
51 3
52 47
53 71
54 13
55 29
56 73
57 7
58 31
59 79
60 53
61 23
62 5
63 83
64 5
65 3
66 59
67 89
68 7
69 61
70 37
71 3

List of values

[3, 5, 7, 5, 7, 11, 13, 3, 11, 17, 7, 19, 13, 3, 23, 17, 11, 19, 29, 31, 13, 3, 23, 5, 37, 11, 3, 41, 17, 43, 29, 13, 31, 47, 19, 3, 5, 53, 5, 37, 3, 23, 59, 17, 61, 41, 43, 5, 19, 67, 3, 47, 71, 13, 29, 73, 7, 31, 79, 53, 23, 5, 83, 5, 3, 59, 89, 7, 61, 37, 3]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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