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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.

A003959 If n = Product p(k)^e(k) then a(n) = Product (p(k)+1)^e(k), a(1) = 1.

Table of values

n a(n)
1 1
2 3
3 4
4 9
5 6
6 12
7 8
8 27
9 16
10 18
11 12
12 36
13 14
14 24
15 24
16 81
17 18
18 48
19 20
20 54
21 32
22 36
23 24
24 108
25 36
26 42
27 64
28 72
29 30
30 72
31 32
32 243
33 48
34 54
35 48
36 144
37 38
38 60
39 56
40 162
41 42
42 96
43 44
44 108
45 96
46 72
47 48
48 324
49 64
50 108
51 72
52 126
53 54
54 192
55 72
56 216
57 80
58 90
59 60
60 216
61 62
62 96
63 128
64 729
65 84
66 144
67 68

List of values

[1, 3, 4, 9, 6, 12, 8, 27, 16, 18, 12, 36, 14, 24, 24, 81, 18, 48, 20, 54, 32, 36, 24, 108, 36, 42, 64, 72, 30, 72, 32, 243, 48, 54, 48, 144, 38, 60, 56, 162, 42, 96, 44, 108, 96, 72, 48, 324, 64, 108, 72, 126, 54, 192, 72, 216, 80, 90, 60, 216, 62, 96, 128, 729, 84, 144, 68]

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

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