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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.

A276680 Number of divisors of the n-th heptagonal number.

Table of values

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

List of values

[1, 2, 6, 4, 4, 5, 10, 6, 8, 4, 8, 12, 4, 4, 24, 16, 4, 8, 8, 8, 12, 4, 16, 24, 6, 4, 20, 8, 4, 18, 12, 10, 12, 4, 16, 16, 8, 8, 36, 12, 4, 16, 8, 16, 16, 4, 12, 24, 9, 12, 32, 8, 4, 10, 32, 12, 12, 8, 8, 40, 4, 4, 48, 12, 16, 12, 8, 8, 16, 8, 20, 48, 4, 4]

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

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