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.

A122191 Triangle read by rows: T(n,m) = number of positive divisors of m that are coprime to n.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 1
9 2
10 1
11 1
12 2
13 2
14 3
15 1
16 1
17 1
18 1
19 1
20 2
21 1
22 1
23 2
24 2
25 3
26 2
27 4
28 1
29 1
30 1
31 2
32 1
33 2
34 2
35 2
36 1
37 1
38 2
39 1
40 3
41 2
42 2
43 2
44 4
45 1
46 1
47 1
48 2
49 1
50 1
51 2
52 2
53 1
54 3
55 1
56 1
57 2
58 2
59 3
60 2
61 4
62 2
63 4
64 3
65 4
66 1
67 1
68 1
69 1
70 1
71 2
72 1
73 2
74 1
75 1
76 2
77 2
78 1
79 1
80 2
81 2
82 3
83 2
84 4
85 2
86 4
87 3
88 4
89 2
90 6
91 1
92 1
93 1
94 2
95 1
96 2
97 2
98 1
99 1
100 3
101 2
102 2
103 2
104 2
105 1

List of values

[1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 3, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 3, 2, 4, 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 2, 1, 3, 2, 2, 2, 4, 1, 1, 1, 2, 1, 1, 2, 2, 1, 3, 1, 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 2, 6, 1, 1, 1, 2, 1, 2, 2, 1, 1, 3, 2, 2, 2, 2, 1]