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.

A167515 The sum over the divisors of n, except the maximum-prime-power divisors collected in A008475.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 7
7 1
8 7
9 4
10 11
11 1
12 21
13 1
14 15
15 16
16 15
17 1
18 28
19 1
20 33
21 22
22 23
23 1
24 49
25 6
26 27
27 13
28 45
29 1
30 62
31 1
32 31
33 34
34 35
35 36
36 78
37 1
38 39
39 40
40 77
41 1
42 84
43 1
44 69
45 64
46 47
47 1
48 105
49 8
50 66
51 52
52 81
53 1
54 91
55 56
56 105
57 58
58 59
59 1
60 156
61 1
62 63
63 88
64 63
65 66
66 128
67 1
68 105
69 70

List of values

[1, 1, 1, 3, 1, 7, 1, 7, 4, 11, 1, 21, 1, 15, 16, 15, 1, 28, 1, 33, 22, 23, 1, 49, 6, 27, 13, 45, 1, 62, 1, 31, 34, 35, 36, 78, 1, 39, 40, 77, 1, 84, 1, 69, 64, 47, 1, 105, 8, 66, 52, 81, 1, 91, 56, 105, 58, 59, 1, 156, 1, 63, 88, 63, 66, 128, 1, 105, 70]