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.

A175678 Numbers m such that the arithmetic mean Ad(m) of the divisors of m and the arithmetic mean Ah(m) of the numbers h < m such that gcd(h,m) = 1 are both integer.

Table of values

n a(n)
1 1
2 6
3 14
4 20
5 22
6 30
7 38
8 42
9 44
10 46
11 54
12 56
13 60
14 62
15 66
16 68
17 70
18 78
19 86
20 92
21 94
22 96
23 102
24 110
25 114
26 116
27 118
28 126
29 132
30 134
31 138
32 140
33 142
34 150
35 154
36 158
37 164
38 166
39 168
40 174
41 182
42 184
43 186
44 188
45 190
46 198
47 204
48 206
49 210
50 212
51 214
52 220
53 222
54 224
55 230
56 236
57 238
58 246
59 248
60 254
61 258

List of values

[1, 6, 14, 20, 22, 30, 38, 42, 44, 46, 54, 56, 60, 62, 66, 68, 70, 78, 86, 92, 94, 96, 102, 110, 114, 116, 118, 126, 132, 134, 138, 140, 142, 150, 154, 158, 164, 166, 168, 174, 182, 184, 186, 188, 190, 198, 204, 206, 210, 212, 214, 220, 222, 224, 230, 236, 238, 246, 248, 254, 258]

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

Content is available under The OEIS End-User License Agreement.