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.

A063806 Numbers with a prime number of proper divisors.

Table of values

n a(n)
1 4
2 6
3 8
4 9
5 10
6 12
7 14
8 15
9 18
10 20
11 21
12 22
13 24
14 25
15 26
16 27
17 28
18 30
19 32
20 33
21 34
22 35
23 38
24 39
25 40
26 42
27 44
28 45
29 46
30 49
31 50
32 51
33 52
34 54
35 55
36 56
37 57
38 58
39 60
40 62
41 63
42 65
43 66
44 68
45 69
46 70
47 72
48 74
49 75
50 76
51 77
52 78
53 82
54 84
55 85
56 86
57 87
58 88
59 90
60 91
61 92
62 93
63 94
64 95
65 96
66 98
67 99
68 102
69 104

List of values

[4, 6, 8, 9, 10, 12, 14, 15, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 38, 39, 40, 42, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 102, 104]

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

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