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.

A344042 a(n) = n * Sum_{d|n} sigma(d)^2 / d.

Table of values

n a(n)
1 1
2 11
3 19
4 71
5 41
6 209
7 71
8 367
9 226
10 451
11 155
12 1349
13 209
14 781
15 779
16 1695
17 341
18 2486
19 419
20 2911
21 1349
22 1705
23 599
24 6973
25 1166
26 2299
27 2278
28 5041
29 929
30 8569
31 1055
32 7359
33 2945
34 3751
35 2911
36 16046
37 1481
38 4609
39 3971
40 15047
41 1805
42 14839
43 1979
44 11005
45 9266
46 6589
47 2351
48 32205
49 3746
50 12826
51 6479

List of values

[1, 11, 19, 71, 41, 209, 71, 367, 226, 451, 155, 1349, 209, 781, 779, 1695, 341, 2486, 419, 2911, 1349, 1705, 599, 6973, 1166, 2299, 2278, 5041, 929, 8569, 1055, 7359, 2945, 3751, 2911, 16046, 1481, 4609, 3971, 15047, 1805, 14839, 1979, 11005, 9266, 6589, 2351, 32205, 3746, 12826, 6479]