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.

A005279 Numbers having divisors d, e with d < e < 2*d.

Table of values

n a(n)
1 6
2 12
3 15
4 18
5 20
6 24
7 28
8 30
9 35
10 36
11 40
12 42
13 45
14 48
15 54
16 56
17 60
18 63
19 66
20 70
21 72
22 75
23 77
24 78
25 80
26 84
27 88
28 90
29 91
30 96
31 99
32 100
33 102
34 104
35 105
36 108
37 110
38 112
39 114
40 117
41 120
42 126
43 130
44 132
45 135
46 138
47 140
48 143
49 144
50 150
51 153
52 154
53 156
54 160
55 162
56 165
57 168
58 170
59 174
60 175
61 176

List of values

[6, 12, 15, 18, 20, 24, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 66, 70, 72, 75, 77, 78, 80, 84, 88, 90, 91, 96, 99, 100, 102, 104, 105, 108, 110, 112, 114, 117, 120, 126, 130, 132, 135, 138, 140, 143, 144, 150, 153, 154, 156, 160, 162, 165, 168, 170, 174, 175, 176]