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.

A143271 Triangle read by rows: A130209 * A000012 * A127648.

Table of values

n a(n)
1 1
2 2
3 4
4 2
5 4
6 6
7 3
8 6
9 9
10 12
11 2
12 4
13 6
14 8
15 10
16 4
17 8
18 12
19 16
20 20
21 24
22 2
23 4
24 6
25 8
26 10
27 12
28 14
29 4
30 8
31 12
32 16
33 20
34 24
35 28
36 32
37 3
38 6
39 9
40 12
41 15
42 18
43 21
44 24
45 27
46 4
47 8
48 12
49 16
50 20
51 24
52 28
53 32
54 36
55 40
56 2
57 4
58 6
59 8
60 10
61 12
62 14
63 16
64 18
65 20
66 22
67 6
68 12
69 18
70 24
71 30
72 36
73 42
74 48
75 54
76 60
77 66
78 72

List of values

[1, 2, 4, 2, 4, 6, 3, 6, 9, 12, 2, 4, 6, 8, 10, 4, 8, 12, 16, 20, 24, 2, 4, 6, 8, 10, 12, 14, 4, 8, 12, 16, 20, 24, 28, 32, 3, 6, 9, 12, 15, 18, 21, 24, 27, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72]