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.

A284105 a(n) = Sum_{d|n, d == 6 (mod 7)} d.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 0
6 6
7 0
8 0
9 0
10 0
11 0
12 6
13 13
14 0
15 0
16 0
17 0
18 6
19 0
20 20
21 0
22 0
23 0
24 6
25 0
26 13
27 27
28 0
29 0
30 6
31 0
32 0
33 0
34 34
35 0
36 6
37 0
38 0
39 13
40 20
41 41
42 6
43 0
44 0
45 0
46 0
47 0
48 54
49 0
50 0
51 0
52 13
53 0
54 33
55 55
56 0
57 0
58 0
59 0
60 26
61 0
62 62
63 0
64 0
65 13
66 6
67 0
68 34
69 69
70 0
71 0
72 6
73 0
74 0
75 0
76 76
77 0
78 19
79 0
80 20
81 27
82 41

List of values

[0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 6, 13, 0, 0, 0, 0, 6, 0, 20, 0, 0, 0, 6, 0, 13, 27, 0, 0, 6, 0, 0, 0, 34, 0, 6, 0, 0, 13, 20, 41, 6, 0, 0, 0, 0, 0, 54, 0, 0, 0, 13, 0, 33, 55, 0, 0, 0, 0, 26, 0, 62, 0, 0, 13, 6, 0, 34, 69, 0, 0, 6, 0, 0, 0, 76, 0, 19, 0, 20, 27, 41]