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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.

A082052 Sum of divisors of n that are not of the form 4k+1.

Table of values

n a(n)
1 0
2 2
3 3
4 6
5 0
6 11
7 7
8 14
9 3
10 12
11 11
12 27
13 0
14 23
15 18
16 30
17 0
18 29
19 19
20 36
21 10
22 35
23 23
24 59
25 0
26 28
27 30
28 55
29 0
30 66
31 31
32 62
33 14
34 36
35 42
36 81
37 0
38 59
39 42
40 84
41 0
42 74
43 43
44 83
45 18
46 71
47 47
48 123
49 7
50 62
51 54
52 84
53 0
54 110
55 66
56 119
57 22
58 60
59 59
60 162
61 0
62 95
63 73
64 126
65 0
66 110
67 67
68 108
69 26
70 138
71 71

List of values

[0, 2, 3, 6, 0, 11, 7, 14, 3, 12, 11, 27, 0, 23, 18, 30, 0, 29, 19, 36, 10, 35, 23, 59, 0, 28, 30, 55, 0, 66, 31, 62, 14, 36, 42, 81, 0, 59, 42, 84, 0, 74, 43, 83, 18, 71, 47, 123, 7, 62, 54, 84, 0, 110, 66, 119, 22, 60, 59, 162, 0, 95, 73, 126, 0, 110, 67, 108, 26, 138, 71]

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

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