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.

A143230 Triangle read by rows, A130207 * A000012 * A130207.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 4
7 2
8 2
9 4
10 4
11 4
12 4
13 8
14 8
15 16
16 2
17 2
18 4
19 4
20 8
21 4
22 6
23 6
24 12
25 12
26 24
27 12
28 36
29 4
30 4
31 8
32 8
33 16
34 8
35 24
36 16
37 6
38 6
39 12
40 12
41 24
42 12
43 36
44 24
45 36
46 4
47 4
48 8
49 8
50 16
51 8
52 24
53 16
54 24
55 16
56 10
57 10
58 20
59 20
60 40
61 20
62 60
63 40
64 60
65 40
66 100
67 4
68 4
69 8
70 8
71 16
72 8
73 24
74 16
75 24
76 16
77 40
78 16

List of values

[1, 1, 1, 2, 2, 4, 2, 2, 4, 4, 4, 4, 8, 8, 16, 2, 2, 4, 4, 8, 4, 6, 6, 12, 12, 24, 12, 36, 4, 4, 8, 8, 16, 8, 24, 16, 6, 6, 12, 12, 24, 12, 36, 24, 36, 4, 4, 8, 8, 16, 8, 24, 16, 24, 16, 10, 10, 20, 20, 40, 20, 60, 40, 60, 40, 100, 4, 4, 8, 8, 16, 8, 24, 16, 24, 16, 40, 16]