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.

A360522 a(n) = Sum_{d|n} Max({d'; d'|n, gcd(d, d') = 1}).

Table of values

n a(n)
1 1
2 3
3 4
4 6
5 6
6 12
7 8
8 11
9 11
10 18
11 12
12 24
13 14
14 24
15 24
16 20
17 18
18 33
19 20
20 36
21 32
22 36
23 24
24 44
25 27
26 42
27 30
28 48
29 30
30 72
31 32
32 37
33 48
34 54
35 48
36 66
37 38
38 60
39 56
40 66
41 42
42 96
43 44
44 72
45 66
46 72
47 48
48 80
49 51
50 81
51 72
52 84
53 54
54 90
55 72
56 88
57 80
58 90
59 60
60 144
61 62
62 96
63 88
64 70
65 84
66 144
67 68

List of values

[1, 3, 4, 6, 6, 12, 8, 11, 11, 18, 12, 24, 14, 24, 24, 20, 18, 33, 20, 36, 32, 36, 24, 44, 27, 42, 30, 48, 30, 72, 32, 37, 48, 54, 48, 66, 38, 60, 56, 66, 42, 96, 44, 72, 66, 72, 48, 80, 51, 81, 72, 84, 54, 90, 72, 88, 80, 90, 60, 144, 62, 96, 88, 70, 84, 144, 68]

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

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