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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.

A164928 Sum of the odd prime divisors of numbers whose odd prime divisors are all of the form 4k+3.

Table of values

n a(n)
1 3
2 3
3 7
4 3
5 11
6 3
7 7
8 3
9 19
10 10
11 11
12 23
13 3
14 3
15 7
16 31
17 14
18 3
19 19
20 10
21 43
22 11
23 23
24 47
25 3
26 7
27 3
28 7
29 22
30 59
31 31
32 10
33 14
34 67
35 26
36 71
37 3
38 19
39 18
40 79
41 3
42 83
43 10
44 43
45 11
46 23
47 34
48 47
49 3
50 7
51 14
52 103
53 107
54 3
55 7
56 22
57 59
58 11
59 31
60 10
61 127
62 46
63 131
64 14
65 26
66 67
67 26
68 139
69 50
70 71
71 3
72 10
73 151
74 19
75 18

List of values

[3, 3, 7, 3, 11, 3, 7, 3, 19, 10, 11, 23, 3, 3, 7, 31, 14, 3, 19, 10, 43, 11, 23, 47, 3, 7, 3, 7, 22, 59, 31, 10, 14, 67, 26, 71, 3, 19, 18, 79, 3, 83, 10, 43, 11, 23, 34, 47, 3, 7, 14, 103, 107, 3, 7, 22, 59, 11, 31, 10, 127, 46, 131, 14, 26, 67, 26, 139, 50, 71, 3, 10, 151, 19, 18]

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