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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.

A357497 Nonsquarefree numbers whose harmonic mean of nonsquarefree divisors in an integer.

Table of values

n a(n)
1 4
2 9
3 12
4 18
5 24
6 25
7 28
8 45
9 49
10 54
11 60
12 90
13 112
14 121
15 126
16 132
17 150
18 153
19 168
20 169
21 198
22 270
23 289
24 294
25 336
26 361
27 364
28 414
29 529
30 560
31 594
32 630
33 637
34 684
35 726
36 841
37 918
38 961
39 1014
40 1140
41 1232
42 1305
43 1350
44 1369
45 1512
46 1521
47 1638
48 1680
49 1681
50 1710
51 1734
52 1849
53 1984

List of values

[4, 9, 12, 18, 24, 25, 28, 45, 49, 54, 60, 90, 112, 121, 126, 132, 150, 153, 168, 169, 198, 270, 289, 294, 336, 361, 364, 414, 529, 560, 594, 630, 637, 684, 726, 841, 918, 961, 1014, 1140, 1232, 1305, 1350, 1369, 1512, 1521, 1638, 1680, 1681, 1710, 1734, 1849, 1984]

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

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