cp's OEIS Frontend

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.

A228372 Number of nontrivial divisors in the first n composites.

Table of values

n a(n)
1 1
2 3
3 5
4 6
5 8
6 12
7 14
8 16
9 19
10 23
11 27
12 29
13 31
14 37
15 38
16 40
17 42
18 46
19 52
20 56
21 58
22 60
23 62
24 69
25 71
26 73
27 79
28 85
29 89
30 93
31 95
32 103
33 104
34 108
35 110
36 114
37 120
38 122
39 128
40 130
41 132
42 142
43 144
44 148
45 153
46 155
47 161
48 165
49 167
50 173
51 183
52 185
53 189
54 193
55 195
56 201
57 209
58 212
59 214
60 224
61 226

List of values

[1, 3, 5, 6, 8, 12, 14, 16, 19, 23, 27, 29, 31, 37, 38, 40, 42, 46, 52, 56, 58, 60, 62, 69, 71, 73, 79, 85, 89, 93, 95, 103, 104, 108, 110, 114, 120, 122, 128, 130, 132, 142, 144, 148, 153, 155, 161, 165, 167, 173, 183, 185, 189, 193, 195, 201, 209, 212, 214, 224, 226]