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.

A348868 Numbers whose numerator and denominator of the harmonic mean of their divisors are both 5-smooth numbers.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 8
7 10
8 15
9 24
10 27
11 28
12 30
13 40
14 54
15 84
16 120
17 135
18 140
19 216
20 224
21 270
22 420
23 496
24 672
25 756
26 775
27 819
28 1080
29 1120
30 1488
31 1550
32 1638
33 2176
34 2325
35 2480
36 3360
37 3780
38 4095
39 4650
40 6048
41 6200
42 6528
43 6552
44 7440
45 8190
46 10880
47 11375
48 13392
49 18600
50 20925
51 21700

List of values

[1, 2, 3, 5, 6, 8, 10, 15, 24, 27, 28, 30, 40, 54, 84, 120, 135, 140, 216, 224, 270, 420, 496, 672, 756, 775, 819, 1080, 1120, 1488, 1550, 1638, 2176, 2325, 2480, 3360, 3780, 4095, 4650, 6048, 6200, 6528, 6552, 7440, 8190, 10880, 11375, 13392, 18600, 20925, 21700]