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.

A007368 Smallest k such that sigma(x) = k has exactly n solutions.

Table of values

n a(n)
0 2
1 1
2 12
3 24
4 96
5 72
6 168
7 240
8 336
9 360
10 504
11 576
12 1512
13 1080
14 1008
15 720
16 2304
17 3600
18 5376
19 2520
20 2160
21 1440
22 10416
23 13392
24 3360
25 4032
26 3024
27 7056
28 6720
29 2880
30 6480
31 10800
32 13104
33 5040
34 6048
35 4320
36 13440
37 5760
38 18720
39 20736
40 19152
41 22680
42 43680

List of values

[2, 1, 12, 24, 96, 72, 168, 240, 336, 360, 504, 576, 1512, 1080, 1008, 720, 2304, 3600, 5376, 2520, 2160, 1440, 10416, 13392, 3360, 4032, 3024, 7056, 6720, 2880, 6480, 10800, 13104, 5040, 6048, 4320, 13440, 5760, 18720, 20736, 19152, 22680, 43680]