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.

A379717 The second Jordan totient function applied to the cubefree numbers.

Table of values

n a(n)
1 1
2 3
3 8
4 12
5 24
6 24
7 48
8 72
9 72
10 120
11 96
12 168
13 144
14 192
15 288
16 216
17 360
18 288
19 384
20 360
21 528
22 600
23 504
24 576
25 840
26 576
27 960
28 960
29 864
30 1152
31 864
32 1368
33 1080
34 1344
35 1680
36 1152
37 1848
38 1440
39 1728
40 1584
41 2208
42 2352
43 1800
44 2304
45 2016
46 2808
47 2880
48 2880
49 2520
50 3480
51 2304

List of values

[1, 3, 8, 12, 24, 24, 48, 72, 72, 120, 96, 168, 144, 192, 288, 216, 360, 288, 384, 360, 528, 600, 504, 576, 840, 576, 960, 960, 864, 1152, 864, 1368, 1080, 1344, 1680, 1152, 1848, 1440, 1728, 1584, 2208, 2352, 1800, 2304, 2016, 2808, 2880, 2880, 2520, 3480, 2304]

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

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