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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.

A385131 The sum of divisors of n whose maximum exponent in their prime factorization is odd.

Table of values

n a(n)
1 0
2 2
3 3
4 2
5 5
6 11
7 7
8 10
9 3
10 17
11 11
12 11
13 13
14 23
15 23
16 10
17 17
18 11
19 19
20 17
21 31
22 35
23 23
24 43
25 5
26 41
27 30
28 23
29 29
30 71
31 31
32 42
33 47
34 53
35 47
36 11
37 37
38 59
39 55
40 65
41 41
42 95
43 43
44 35
45 23
46 71
47 47
48 43
49 7
50 17
51 71
52 41
53 53
54 92
55 71
56 87
57 79
58 89
59 59
60 71
61 61
62 95
63 31
64 42
65 83
66 143
67 67
68 53

List of values

[0, 2, 3, 2, 5, 11, 7, 10, 3, 17, 11, 11, 13, 23, 23, 10, 17, 11, 19, 17, 31, 35, 23, 43, 5, 41, 30, 23, 29, 71, 31, 42, 47, 53, 47, 11, 37, 59, 55, 65, 41, 95, 43, 35, 23, 71, 47, 43, 7, 17, 71, 41, 53, 92, 71, 87, 79, 89, 59, 71, 61, 95, 31, 42, 83, 143, 67, 53]

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

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