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.

A082417 Numbers k such that P(k) < P(k+1) > P(k+2), where P(k) is the largest prime factor of k (A006530).

Table of values

n a(n)
1 2
2 4
3 6
4 10
5 12
6 16
7 18
8 22
9 25
10 28
11 30
12 33
13 36
14 40
15 42
16 46
17 48
18 50
19 52
20 54
21 58
22 60
23 64
24 66
25 68
26 70
27 72
28 75
29 78
30 82
31 85
32 88
33 93
34 96
35 98
36 100
37 102
38 106
39 108
40 110
41 112
42 115
43 117
44 121
45 126
46 128
47 130
48 133
49 136
50 138
51 141
52 145
53 148
54 150
55 154
56 156
57 160
58 162
59 166
60 172
61 178
62 180
63 182

List of values

[2, 4, 6, 10, 12, 16, 18, 22, 25, 28, 30, 33, 36, 40, 42, 46, 48, 50, 52, 54, 58, 60, 64, 66, 68, 70, 72, 75, 78, 82, 85, 88, 93, 96, 98, 100, 102, 106, 108, 110, 112, 115, 117, 121, 126, 128, 130, 133, 136, 138, 141, 145, 148, 150, 154, 156, 160, 162, 166, 172, 178, 180, 182]

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

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