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.

A052100 a(n) = lcm(n, phi(n), n - phi(n)).

Table of values

n a(n)
1 0
2 2
3 6
4 4
5 20
6 12
7 42
8 8
9 18
10 60
11 110
12 24
13 156
14 168
15 840
16 16
17 272
18 36
19 342
20 120
21 252
22 660
23 506
24 48
25 100
26 1092
27 54
28 336
29 812
30 1320
31 930
32 32
33 8580
34 2448
35 9240
36 72
37 1332
38 3420
39 1560
40 240
41 1640
42 420
43 1806
44 1320
45 2520
46 6072
47 2162
48 96
49 294
50 300
51 31008
52 2184
53 2756

List of values

[0, 2, 6, 4, 20, 12, 42, 8, 18, 60, 110, 24, 156, 168, 840, 16, 272, 36, 342, 120, 252, 660, 506, 48, 100, 1092, 54, 336, 812, 1320, 930, 32, 8580, 2448, 9240, 72, 1332, 3420, 1560, 240, 1640, 420, 1806, 1320, 2520, 6072, 2162, 96, 294, 300, 31008, 2184, 2756]