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.

A163838 a(n) = (n-th composite) * (number of nontrivial divisors of n-th composite).

Table of values

n a(n)
1 4
2 12
3 16
4 9
5 20
6 48
7 28
8 30
9 48
10 72
11 80
12 42
13 44
14 144
15 25
16 52
17 54
18 112
19 180
20 128
21 66
22 68
23 70
24 252
25 76
26 78
27 240
28 252
29 176
30 180
31 92
32 384
33 49
34 200
35 102
36 208
37 324
38 110
39 336
40 114
41 116
42 600
43 124
44 252
45 320
46 130
47 396
48 272
49 138
50 420
51 720
52 148
53 300
54 304
55 154
56 468
57 640
58 243

List of values

[4, 12, 16, 9, 20, 48, 28, 30, 48, 72, 80, 42, 44, 144, 25, 52, 54, 112, 180, 128, 66, 68, 70, 252, 76, 78, 240, 252, 176, 180, 92, 384, 49, 200, 102, 208, 324, 110, 336, 114, 116, 600, 124, 252, 320, 130, 396, 272, 138, 420, 720, 148, 300, 304, 154, 468, 640, 243]