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.

A359937 a(n) = Sum_{d|n, d-1 is square} d.

Table of values

n a(n)
1 1
2 3
3 1
4 3
5 6
6 3
7 1
8 3
9 1
10 18
11 1
12 3
13 1
14 3
15 6
16 3
17 18
18 3
19 1
20 18
21 1
22 3
23 1
24 3
25 6
26 29
27 1
28 3
29 1
30 18
31 1
32 3
33 1
34 20
35 6
36 3
37 38
38 3
39 1
40 18
41 1
42 3
43 1
44 3
45 6
46 3
47 1
48 3
49 1
50 68
51 18
52 29
53 1
54 3
55 6
56 3
57 1
58 3
59 1
60 18
61 1
62 3
63 1
64 3
65 71
66 3
67 1
68 20
69 1
70 18
71 1
72 3
73 1
74 40
75 6
76 3
77 1
78 29
79 1
80 18
81 1
82 85
83 1
84 3

List of values

[1, 3, 1, 3, 6, 3, 1, 3, 1, 18, 1, 3, 1, 3, 6, 3, 18, 3, 1, 18, 1, 3, 1, 3, 6, 29, 1, 3, 1, 18, 1, 3, 1, 20, 6, 3, 38, 3, 1, 18, 1, 3, 1, 3, 6, 3, 1, 3, 1, 68, 18, 29, 1, 3, 6, 3, 1, 3, 1, 18, 1, 3, 1, 3, 71, 3, 1, 20, 1, 18, 1, 3, 1, 40, 6, 3, 1, 29, 1, 18, 1, 85, 1, 3]