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.

A054006 Number of divisors of k and k+1 which have the same number and sum of divisors.

Table of values

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

List of values

[4, 8, 8, 8, 8, 8, 16, 16, 16, 8, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 32, 16, 16, 16, 24, 16, 16, 16, 32, 32, 32, 16, 16, 32, 16, 32, 16, 16, 32, 32, 16, 32, 16, 16, 16, 16, 16, 32, 32, 16, 32, 16, 16, 64, 32, 16, 32, 16, 32, 16, 64, 32, 32, 16, 32, 32, 32, 32]

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

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