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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.

A009242 a(n) = lcm(n, sigma(n)).

Table of values

n a(n)
1 1
2 6
3 12
4 28
5 30
6 12
7 56
8 120
9 117
10 90
11 132
12 84
13 182
14 168
15 120
16 496
17 306
18 234
19 380
20 420
21 672
22 396
23 552
24 120
25 775
26 546
27 1080
28 56
29 870
30 360
31 992
32 2016
33 528
34 918
35 1680
36 3276
37 1406
38 1140
39 2184
40 360
41 1722
42 672
43 1892
44 924
45 1170
46 1656
47 2256
48 1488
49 2793
50 4650
51 1224
52 2548

List of values

[1, 6, 12, 28, 30, 12, 56, 120, 117, 90, 132, 84, 182, 168, 120, 496, 306, 234, 380, 420, 672, 396, 552, 120, 775, 546, 1080, 56, 870, 360, 992, 2016, 528, 918, 1680, 3276, 1406, 1140, 2184, 360, 1722, 672, 1892, 924, 1170, 1656, 2256, 1488, 2793, 4650, 1224, 2548]

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

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