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.

A380144 Sum of divisors d | k such that rad(d) = rad(k/d) where k is in A001694 and rad = A007947.

Table of values

n a(n)
1 1
2 2
3 6
4 3
5 14
6 5
7 12
8 30
9 6
10 7
11 62
12 18
13 39
14 10
15 24
16 11
17 30
18 126
19 42
20 13
21 14
22 30
23 72
24 15
25 120
26 254
27 90
28 17
29 78
30 56
31 19
32 42
33 70
34 168
35 21
36 22
37 60
38 510
39 23
40 186
41 155
42 234
43 60
44 26
45 363
46 98
47 150
48 29
49 360
50 30
51 31
52 66
53 240
54 180
55 1022
56 33
57 90
58 378
59 34
60 35
61 546
62 84
63 132

List of values

[1, 2, 6, 3, 14, 5, 12, 30, 6, 7, 62, 18, 39, 10, 24, 11, 30, 126, 42, 13, 14, 30, 72, 15, 120, 254, 90, 17, 78, 56, 19, 42, 70, 168, 21, 22, 60, 510, 23, 186, 155, 234, 60, 26, 363, 98, 150, 29, 360, 30, 31, 66, 240, 180, 1022, 33, 90, 378, 34, 35, 546, 84, 132]