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.

A117494 a(n) is the number of m's, 1 <= m <= n, where gcd(m,n) is prime.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 3
7 1
8 2
9 2
10 5
11 1
12 4
13 1
14 7
15 6
16 4
17 1
18 8
19 1
20 6
21 8
22 11
23 1
24 8
25 4
26 13
27 6
28 8
29 1
30 14
31 1
32 8
33 12
34 17
35 10
36 10
37 1
38 19
39 14
40 12
41 1
42 20
43 1
44 12
45 14
46 23
47 1
48 16
49 6
50 24
51 18
52 14
53 1
54 24
55 14
56 16
57 20
58 29
59 1
60 20
61 1
62 31
63 18
64 16
65 16
66 32
67 1
68 18
69 24
70 34
71 1
72 20
73 1
74 37
75 28
76 20
77 16
78 38
79 1
80 24
81 18
82 41
83 1
84 28

List of values

[0, 1, 1, 1, 1, 3, 1, 2, 2, 5, 1, 4, 1, 7, 6, 4, 1, 8, 1, 6, 8, 11, 1, 8, 4, 13, 6, 8, 1, 14, 1, 8, 12, 17, 10, 10, 1, 19, 14, 12, 1, 20, 1, 12, 14, 23, 1, 16, 6, 24, 18, 14, 1, 24, 14, 16, 20, 29, 1, 20, 1, 31, 18, 16, 16, 32, 1, 18, 24, 34, 1, 20, 1, 37, 28, 20, 16, 38, 1, 24, 18, 41, 1, 28]