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.

A216327 Irregular triangle of multiplicative orders mod n for the elements of the smallest positive reduced residue system mod n.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 2
7 1
8 4
9 4
10 2
11 1
12 2
13 1
14 3
15 6
16 3
17 6
18 2
19 1
20 2
21 2
22 2
23 1
24 6
25 3
26 6
27 3
28 2
29 1
30 4
31 4
32 2
33 1
34 10
35 5
36 5
37 5
38 10
39 10
40 10
41 5
42 2
43 1
44 2
45 2
46 2
47 1
48 12
49 3
50 6
51 4
52 12
53 12
54 4
55 3
56 6
57 12
58 2
59 1
60 6
61 6
62 3
63 3
64 2
65 1
66 4
67 2
68 4
69 4
70 2
71 4
72 2
73 1
74 4
75 4
76 2
77 2
78 4
79 4
80 2

List of values

[1, 1, 1, 2, 1, 2, 1, 4, 4, 2, 1, 2, 1, 3, 6, 3, 6, 2, 1, 2, 2, 2, 1, 6, 3, 6, 3, 2, 1, 4, 4, 2, 1, 10, 5, 5, 5, 10, 10, 10, 5, 2, 1, 2, 2, 2, 1, 12, 3, 6, 4, 12, 12, 4, 3, 6, 12, 2, 1, 6, 6, 3, 3, 2, 1, 4, 2, 4, 4, 2, 4, 2, 1, 4, 4, 2, 2, 4, 4, 2]