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.

A344867 a(n) = n * Sum_{d|n} floor(sqrt(d)) / d.

Table of values

n a(n)
1 1
2 3
3 4
4 8
5 7
6 13
7 9
8 18
9 15
10 22
11 14
12 35
13 16
14 28
15 29
16 40
17 21
18 49
19 23
20 58
21 38
22 43
23 27
24 80
25 40
26 50
27 50
28 75
29 34
30 97
31 36
32 85
33 58
34 64
35 64
36 131
37 43
38 71
39 67
40 132
41 47
42 126
43 49
44 114
45 108
46 83
47 53
48 178
49 70
50 127
51 87
52 133
53 60
54 164
55 99
56 171
57 95
58 104
59 66
60 258
61 68
62 110
63 142
64 178
65 114
66 191
67 75

List of values

[1, 3, 4, 8, 7, 13, 9, 18, 15, 22, 14, 35, 16, 28, 29, 40, 21, 49, 23, 58, 38, 43, 27, 80, 40, 50, 50, 75, 34, 97, 36, 85, 58, 64, 64, 131, 43, 71, 67, 132, 47, 126, 49, 114, 108, 83, 53, 178, 70, 127, 87, 133, 60, 164, 99, 171, 95, 104, 66, 258, 68, 110, 142, 178, 114, 191, 75]