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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.

A346400 Composite numbers k such that the numerator of the harmonic mean of the divisors of k is equal to k.

Table of values

n a(n)
1 20
2 21
3 22
4 27
5 35
6 38
7 39
8 45
9 49
10 55
11 56
12 57
13 65
14 68
15 77
16 85
17 86
18 93
19 99
20 110
21 111
22 115
23 116
24 118
25 119
26 125
27 129
28 133
29 134
30 143
31 147
32 150
33 155
34 161
35 164
36 166
37 169
38 183
39 184
40 185
41 187
42 189
43 201
44 203
45 205
46 207
47 209
48 212
49 214
50 215
51 217
52 219
53 221
54 235
55 237
56 245

List of values

[20, 21, 22, 27, 35, 38, 39, 45, 49, 55, 56, 57, 65, 68, 77, 85, 86, 93, 99, 110, 111, 115, 116, 118, 119, 125, 129, 133, 134, 143, 147, 150, 155, 161, 164, 166, 169, 183, 184, 185, 187, 189, 201, 203, 205, 207, 209, 212, 214, 215, 217, 219, 221, 235, 237, 245]

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

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