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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.

A336407 a(n) is the number of composites < n-th odd composite.

Table of values

n a(n)
1 3
2 7
3 11
4 14
5 16
6 20
7 22
8 25
9 29
10 32
11 34
12 37
13 39
14 43
15 45
16 48
17 52
18 54
19 57
20 60
21 62
22 65
23 67
24 69
25 72
26 76
27 80
28 83
29 85
30 87
31 89
32 91
33 93
34 96
35 99
36 101
37 105
38 107
39 109
40 111
41 115
42 117
43 120
44 122
45 125
46 128
47 130
48 133
49 135
50 139
51 141
52 143
53 145
54 149
55 153
56 155
57 157
58 159
59 161

List of values

[3, 7, 11, 14, 16, 20, 22, 25, 29, 32, 34, 37, 39, 43, 45, 48, 52, 54, 57, 60, 62, 65, 67, 69, 72, 76, 80, 83, 85, 87, 89, 91, 93, 96, 99, 101, 105, 107, 109, 111, 115, 117, 120, 122, 125, 128, 130, 133, 135, 139, 141, 143, 145, 149, 153, 155, 157, 159, 161]