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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.

A082050 Sum of divisors of n that are not of the form 3k+1.

Table of values

n a(n)
1 0
2 2
3 3
4 2
5 5
6 11
7 0
8 10
9 12
10 7
11 11
12 23
13 0
14 16
15 23
16 10
17 17
18 38
19 0
20 27
21 24
22 13
23 23
24 55
25 5
26 28
27 39
28 16
29 29
30 61
31 0
32 42
33 47
34 19
35 40
36 86
37 0
38 40
39 42
40 35
41 41
42 88
43 0
44 57
45 77
46 25
47 47
48 103
49 0
50 57
51 71
52 28
53 53
54 119
55 16
56 80
57 60
58 31
59 59
60 153
61 0
62 64
63 96
64 42
65 70
66 121
67 0
68 87
69 95
70 56
71 71
72 190

List of values

[0, 2, 3, 2, 5, 11, 0, 10, 12, 7, 11, 23, 0, 16, 23, 10, 17, 38, 0, 27, 24, 13, 23, 55, 5, 28, 39, 16, 29, 61, 0, 42, 47, 19, 40, 86, 0, 40, 42, 35, 41, 88, 0, 57, 77, 25, 47, 103, 0, 57, 71, 28, 53, 119, 16, 80, 60, 31, 59, 153, 0, 64, 96, 42, 70, 121, 0, 87, 95, 56, 71, 190]

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

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