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.

A127730 Triangle read by rows: row n consists of the positive integers m where m+n divides m*n.

Table of values

n a(n)
2 2
3 6
4 4
5 12
6 20
7 3
8 6
9 12
10 30
11 42
12 8
13 24
14 56
15 18
16 72
17 10
18 15
19 40
20 90
21 110
22 4
23 6
24 12
25 24
26 36
27 60
28 132
29 156
30 14
31 35
32 84
33 182
34 10
35 30
36 60
37 210
38 16
39 48
40 112
41 240
42 272
43 9
44 18
45 36
46 63
47 90
48 144
49 306
50 342
51 5
52 20
53 30
54 60
55 80
56 180
57 380
58 28
59 42
60 126
61 420
62 22
63 99
64 220
65 462

List of values

[2, 6, 4, 12, 20, 3, 6, 12, 30, 42, 8, 24, 56, 18, 72, 10, 15, 40, 90, 110, 4, 6, 12, 24, 36, 60, 132, 156, 14, 35, 84, 182, 10, 30, 60, 210, 16, 48, 112, 240, 272, 9, 18, 36, 63, 90, 144, 306, 342, 5, 20, 30, 60, 80, 180, 380, 28, 42, 126, 420, 22, 99, 220, 462]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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