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.

A331201 Numbers k such that the number of factorizations of k into distinct factors > 1 is a prime number.

Table of values

n a(n)
1 6
2 8
3 10
4 12
5 14
6 15
7 16
8 18
9 20
10 21
11 22
12 24
13 26
14 27
15 28
16 30
17 32
18 33
19 34
20 35
21 36
22 38
23 39
24 40
25 42
26 44
27 45
28 46
29 48
30 50
31 51
32 52
33 54
34 55
35 56
36 57
37 58
38 62
39 63
40 65
41 66
42 68
43 69
44 70
45 74
46 75
47 76
48 77
49 78
50 80
51 81
52 82
53 85
54 86
55 87
56 88
57 91
58 92
59 93
60 94
61 95
62 98
63 99
64 100
65 102

List of values

[6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 57, 58, 62, 63, 65, 66, 68, 69, 70, 74, 75, 76, 77, 78, 80, 81, 82, 85, 86, 87, 88, 91, 92, 93, 94, 95, 98, 99, 100, 102]

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

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