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.

A057643 Least common multiple of all (k+1)'s, where the k's are the positive divisors of n.

Table of values

n a(n)
1 2
2 6
3 4
4 30
5 6
6 84
7 8
8 90
9 20
10 66
11 12
12 5460
13 14
14 120
15 48
16 1530
17 18
18 7980
19 20
20 2310
21 88
22 276
23 24
24 81900
25 78
26 378
27 140
28 3480
29 30
30 114576
31 32
32 16830
33 204
34 630
35 72
36 3838380
37 38
38 780
39 280
40 284130
41 42
42 397320
43 44
44 4140
45 5520
46 1128
47 48
48 9746100
49 200
50 14586
51 468

List of values

[2, 6, 4, 30, 6, 84, 8, 90, 20, 66, 12, 5460, 14, 120, 48, 1530, 18, 7980, 20, 2310, 88, 276, 24, 81900, 78, 378, 140, 3480, 30, 114576, 32, 16830, 204, 630, 72, 3838380, 38, 780, 280, 284130, 42, 397320, 44, 4140, 5520, 1128, 48, 9746100, 200, 14586, 468]