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.

A053196 Cototients of even numbers.

Table of values

n a(n)
1 1
2 2
3 4
4 4
5 6
6 8
7 8
8 8
9 12
10 12
11 12
12 16
13 14
14 16
15 22
16 16
17 18
18 24
19 20
20 24
21 30
22 24
23 24
24 32
25 30
26 28
27 36
28 32
29 30
30 44
31 32
32 32
33 46
34 36
35 46
36 48
37 38
38 40
39 54
40 48
41 42
42 60
43 44
44 48
45 66
46 48
47 48
48 64
49 56
50 60
51 70
52 56
53 54
54 72
55 70
56 64
57 78
58 60
59 60
60 88
61 62
62 64
63 90
64 64
65 82
66 92
67 68
68 72
69 94
70 92
71 72
72 96

List of values

[1, 2, 4, 4, 6, 8, 8, 8, 12, 12, 12, 16, 14, 16, 22, 16, 18, 24, 20, 24, 30, 24, 24, 32, 30, 28, 36, 32, 30, 44, 32, 32, 46, 36, 46, 48, 38, 40, 54, 48, 42, 60, 44, 48, 66, 48, 48, 64, 56, 60, 70, 56, 54, 72, 70, 64, 78, 60, 60, 88, 62, 64, 90, 64, 82, 92, 68, 72, 94, 92, 72, 96]

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

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