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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.

A384716 The totient of the product of unitary divisors of n.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 4
6 12
7 6
8 4
9 6
10 40
11 10
12 48
13 12
14 84
15 120
16 8
17 16
18 108
19 18
20 160
21 252
22 220
23 22
24 192
25 20
26 312
27 18
28 336
29 28
30 216000
31 30
32 16
33 660
34 544
35 840
36 432
37 36
38 684
39 936
40 640
41 40
42 889056
43 42
44 880
45 1080
46 1012
47 46
48 768
49 42
50 1000
51 1632
52 1248
53 52
54 972
55 2200
56 1344
57 2052

List of values

[1, 1, 2, 2, 4, 12, 6, 4, 6, 40, 10, 48, 12, 84, 120, 8, 16, 108, 18, 160, 252, 220, 22, 192, 20, 312, 18, 336, 28, 216000, 30, 16, 660, 544, 840, 432, 36, 684, 936, 640, 40, 889056, 42, 880, 1080, 1012, 46, 768, 42, 1000, 1632, 1248, 52, 972, 2200, 1344, 2052]

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

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