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.

A386595 a(n) = Sum_{d|n} sigma(d)/phi(d) * c(d), where c = A351114.

Table of values

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

List of values

[1, 4, 3, 4, 1, 12, 1, 4, 3, 4, 1, 19, 1, 8, 6, 4, 1, 12, 1, 4, 3, 4, 1, 19, 1, 4, 3, 8, 1, 24, 1, 4, 3, 4, 3, 19, 1, 4, 3, 4, 1, 24, 1, 4, 6, 4, 1, 19, 1, 4, 3, 4, 1, 12, 1, 13, 3, 4, 1, 31, 1, 4, 3, 4, 1, 12, 1, 4, 3, 16, 1, 19, 1, 4, 6, 4, 1, 19, 1, 4, 3, 4, 1, 31, 1, 4, 3, 4, 1, 24, 1, 4, 3, 4, 1, 19, 1, 8, 3, 4]