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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.

A099377 Numerators of the harmonic means of the divisors of the positive integers.

Table of values

n a(n)
1 1
2 4
3 3
4 12
5 5
6 2
7 7
8 32
9 27
10 20
11 11
12 18
13 13
14 7
15 5
16 80
17 17
18 36
19 19
20 20
21 21
22 22
23 23
24 16
25 75
26 52
27 27
28 3
29 29
30 10
31 31
32 64
33 11
34 68
35 35
36 324
37 37
38 38
39 39
40 32
41 41
42 7
43 43
44 22
45 45
46 23
47 47
48 120
49 49
50 100
51 17
52 156
53 53
54 18
55 55
56 56
57 57
58 116
59 59
60 30
61 61
62 31
63 189
64 448
65 65
66 11
67 67
68 68
69 23
70 35

List of values

[1, 4, 3, 12, 5, 2, 7, 32, 27, 20, 11, 18, 13, 7, 5, 80, 17, 36, 19, 20, 21, 22, 23, 16, 75, 52, 27, 3, 29, 10, 31, 64, 11, 68, 35, 324, 37, 38, 39, 32, 41, 7, 43, 22, 45, 23, 47, 120, 49, 100, 17, 156, 53, 18, 55, 56, 57, 116, 59, 30, 61, 31, 189, 448, 65, 11, 67, 68, 23, 35]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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