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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.

A077219 Floor(geometric mean of the reduced residue system modulo n).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 2
8 3
9 3
10 3
11 4
12 4
13 5
14 5
15 5
16 6
17 6
18 6
19 7
20 7
21 7
22 8
23 9
24 8
25 9
26 9
27 10
28 10
29 11
30 11
31 12
32 12
33 12
34 12
35 12
36 13
37 14
38 14
39 14
40 14
41 15
42 15
43 16
44 16
45 16
46 16
47 17
48 17
49 18
50 18
51 18
52 19
53 20
54 19
55 20
56 20
57 20
58 21
59 22
60 22
61 23
62 22
63 23
64 23
65 23
66 24
67 25
68 25
69 25
70 25
71 26
72 26
73 27
74 27
75 27
76 27
77 28
78 28

List of values

[1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 9, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, 12, 13, 14, 14, 14, 14, 15, 15, 16, 16, 16, 16, 17, 17, 18, 18, 18, 19, 20, 19, 20, 20, 20, 21, 22, 22, 23, 22, 23, 23, 23, 24, 25, 25, 25, 25, 26, 26, 27, 27, 27, 27, 28, 28]

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