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.

A325653 a(n) = the product of numbers k such that sigma(k) = sigma(n).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 66
7 7
8 8
9 9
10 170
11 66
12 12
13 13
14 4830
15 4830
16 400
17 170
18 18
19 19
20 21320
21 651
22 22
23 4830
24 53808
25 400
26 21320
27 27
28 1092
29 29
30 274833900
31 651
32 32
33 54285
34 1802
35 54285
36 36
37 37
38 53808
39 1092
40 206480
41 21320
42 13835052
43 43
44 237380
45 45
46 274833900
47 54285
48 3600
49 49

List of values

[1, 2, 3, 4, 5, 66, 7, 8, 9, 170, 66, 12, 13, 4830, 4830, 400, 170, 18, 19, 21320, 651, 22, 4830, 53808, 400, 21320, 27, 1092, 29, 274833900, 651, 32, 54285, 1802, 54285, 36, 37, 53808, 1092, 206480, 21320, 13835052, 43, 237380, 45, 274833900, 54285, 3600, 49]