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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.

A001599 Harmonic or Ore numbers: numbers k such that the harmonic mean of the divisors of k is an integer.

Table of values

n a(n)
1 1
2 6
3 28
4 140
5 270
6 496
7 672
8 1638
9 2970
10 6200
11 8128
12 8190
13 18600
14 18620
15 27846
16 30240
17 32760
18 55860
19 105664
20 117800
21 167400
22 173600
23 237510
24 242060
25 332640
26 360360
27 539400
28 695520
29 726180
30 753480
31 950976
32 1089270
33 1421280
34 1539720

List of values

[1, 6, 28, 140, 270, 496, 672, 1638, 2970, 6200, 8128, 8190, 18600, 18620, 27846, 30240, 32760, 55860, 105664, 117800, 167400, 173600, 237510, 242060, 332640, 360360, 539400, 695520, 726180, 753480, 950976, 1089270, 1421280, 1539720]

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

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