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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.

A133477 Sum of cubefree divisors of n excluding 1.

Table of values

n a(n)
1 0
2 2
3 3
4 6
5 5
6 11
7 7
8 6
9 12
10 17
11 11
12 27
13 13
14 23
15 23
16 6
17 17
18 38
19 19
20 41
21 31
22 35
23 23
24 27
25 30
26 41
27 12
28 55
29 29
30 71
31 31
32 6
33 47
34 53
35 47
36 90
37 37
38 59
39 55
40 41
41 41
42 95
43 43
44 83
45 77
46 71
47 47
48 27
49 56
50 92
51 71
52 97
53 53
54 38
55 71
56 55
57 79
58 89
59 59
60 167
61 61
62 95
63 103
64 6
65 83
66 143
67 67
68 125
69 95
70 143
71 71
72 90

List of values

[0, 2, 3, 6, 5, 11, 7, 6, 12, 17, 11, 27, 13, 23, 23, 6, 17, 38, 19, 41, 31, 35, 23, 27, 30, 41, 12, 55, 29, 71, 31, 6, 47, 53, 47, 90, 37, 59, 55, 41, 41, 95, 43, 83, 77, 71, 47, 27, 56, 92, 71, 97, 53, 38, 71, 55, 79, 89, 59, 167, 61, 95, 103, 6, 83, 143, 67, 125, 95, 143, 71, 90]

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

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