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.

A330754 Number of values of k, 1 <= k <= n, with A330691(k) = A330691(n), where A330691(n) = gcd(n, A309639(n)).

Table of values

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

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 1, 4, 3, 2, 1, 4, 1, 2, 1, 3, 1, 5, 1, 1, 3, 2, 4, 3, 1, 2, 3, 2, 1, 5, 1, 4, 4, 2, 1, 2, 1, 2, 3, 4, 1, 2, 5, 3, 3, 2, 1, 6, 1, 2, 5, 1, 5, 6, 1, 4, 6, 5, 1, 6, 1, 2, 3, 4, 7, 6, 1, 3, 1, 2, 1, 7, 5, 2, 3, 8, 1, 7, 7, 3, 3, 2, 5, 2, 1, 2, 9, 4, 1, 6, 1, 8, 8]