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.

A360720 a(n) is the sum of unitary divisors of n that are powerful (A001694).

Table of values

n a(n)
1 1
2 1
3 1
4 5
5 1
6 1
7 1
8 9
9 10
10 1
11 1
12 5
13 1
14 1
15 1
16 17
17 1
18 10
19 1
20 5
21 1
22 1
23 1
24 9
25 26
26 1
27 28
28 5
29 1
30 1
31 1
32 33
33 1
34 1
35 1
36 50
37 1
38 1
39 1
40 9
41 1
42 1
43 1
44 5
45 10
46 1
47 1
48 17
49 50
50 26
51 1
52 5
53 1
54 28
55 1
56 9
57 1
58 1
59 1
60 5
61 1
62 1
63 10
64 65
65 1
66 1
67 1
68 5
69 1
70 1
71 1
72 90
73 1
74 1
75 26
76 5
77 1
78 1
79 1
80 17
81 82

List of values

[1, 1, 1, 5, 1, 1, 1, 9, 10, 1, 1, 5, 1, 1, 1, 17, 1, 10, 1, 5, 1, 1, 1, 9, 26, 1, 28, 5, 1, 1, 1, 33, 1, 1, 1, 50, 1, 1, 1, 9, 1, 1, 1, 5, 10, 1, 1, 17, 50, 26, 1, 5, 1, 28, 1, 9, 1, 1, 1, 5, 1, 1, 10, 65, 1, 1, 1, 5, 1, 1, 1, 90, 1, 1, 26, 5, 1, 1, 1, 17, 82]