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.

A232704 Numbers n such that sigma(n)+n divides sigma(n^2).

Table of values

n a(n)
1 84889
2 376443
3 1260615
4 2703555
5 4883751
6 7551847
7 8894695
8 9387081
9 10142181
10 12600825
11 39450985
12 57924711
13 72978693
14 73534503
15 166503105
16 428777995
17 563715879
18 578643967
19 583540893
20 1181555907
21 1598569785
22 1779455211
23 2917138191
24 3078534559
25 3318534361

List of values

[84889, 376443, 1260615, 2703555, 4883751, 7551847, 8894695, 9387081, 10142181, 12600825, 39450985, 57924711, 72978693, 73534503, 166503105, 428777995, 563715879, 578643967, 583540893, 1181555907, 1598569785, 1779455211, 2917138191, 3078534559, 3318534361]