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.

A063379 Number of orbits of the group of units of Z/(n) acting naturally on the 2-subsets of Z/(n).

Table of values

n a(n)
2 1
3 2
4 4
5 3
6 9
7 4
8 11
9 8
10 13
11 6
12 25
13 7
14 17
15 18
16 24
17 9
18 33
19 10
20 35
21 23
22 25
23 12
24 59
25 18
26 29
27 26
28 45
29 15
30 71
31 16
32 49
33 33
34 37
35 32
36 86
37 19
38 41
39 38
40 81
41 21
42 91
43 22
44 65
45 61
46 49
47 24
48 123
49 32
50 73
51 48
52 75
53 27
54 105
55 46
56 103
57 53
58 61
59 30
60 181
61 31
62 65
63 78
64 98
65 53
66 131
67 34

List of values

[1, 2, 4, 3, 9, 4, 11, 8, 13, 6, 25, 7, 17, 18, 24, 9, 33, 10, 35, 23, 25, 12, 59, 18, 29, 26, 45, 15, 71, 16, 49, 33, 37, 32, 86, 19, 41, 38, 81, 21, 91, 22, 65, 61, 49, 24, 123, 32, 73, 48, 75, 27, 105, 46, 103, 53, 61, 30, 181, 31, 65, 78, 98, 53, 131, 34]

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

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