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.

A324499 a(n) = numerator of Sum_{d|n} sigma(d)/tau(d) where sigma(k) = the sum of the divisors of k (A000203) and tau(k) = the number of the divisors of k (A000005).

Table of values

n a(n)
1 1
2 5
3 3
4 29
5 4
6 15
7 5
8 103
9 22
10 10
11 7
12 29
13 8
14 25
15 12
16 887
17 10
18 55
19 11
20 58
21 15
22 35
23 13
24 103
25 43
26 20
27 52
28 145
29 16
30 30
31 17
32 1517
33 21
34 25
35 20
36 319
37 20
38 55
39 24
40 103
41 22
42 75
43 23
44 203
45 88
46 65
47 25
48 887
49 24
50 215
51 30
52 116
53 28
54 130
55 28
56 515
57 33
58 40
59 31
60 58
61 32
62 85
63 110

List of values

[1, 5, 3, 29, 4, 15, 5, 103, 22, 10, 7, 29, 8, 25, 12, 887, 10, 55, 11, 58, 15, 35, 13, 103, 43, 20, 52, 145, 16, 30, 17, 1517, 21, 25, 20, 319, 20, 55, 24, 103, 22, 75, 23, 203, 88, 65, 25, 887, 24, 215, 30, 116, 28, 130, 28, 515, 33, 40, 31, 58, 32, 85, 110]