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.

A126615 Denominators in a harmonic triangle.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 6
6 3
7 2
8 6
9 12
10 4
11 2
12 6
13 12
14 20
15 5
16 2
17 6
18 12
19 20
20 30
21 6
22 2
23 6
24 12
25 20
26 30
27 42
28 7
29 2
30 6
31 12
32 20
33 30
34 42
35 56
36 8
37 2
38 6
39 12
40 20
41 30
42 42
43 56
44 72
45 9
46 2
47 6
48 12
49 20
50 30
51 42
52 56
53 72
54 90
55 10
56 2
57 6
58 12
59 20
60 30
61 42
62 56
63 72
64 90
65 110
66 11
67 2
68 6
69 12
70 20
71 30
72 42
73 56
74 72
75 90
76 110
77 132
78 12
79 2
80 6

List of values

[1, 2, 2, 2, 6, 3, 2, 6, 12, 4, 2, 6, 12, 20, 5, 2, 6, 12, 20, 30, 6, 2, 6, 12, 20, 30, 42, 7, 2, 6, 12, 20, 30, 42, 56, 8, 2, 6, 12, 20, 30, 42, 56, 72, 9, 2, 6, 12, 20, 30, 42, 56, 72, 90, 10, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 11, 2, 6, 12, 20, 30, 42, 56, 72, 90, 110, 132, 12, 2, 6]

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

Content is available under The OEIS End-User License Agreement.