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.

A175495 Positive integers k such that k < 2^d(k), where d(k) is the number of divisors of k.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 10
8 12
9 14
10 15
11 16
12 18
13 20
14 24
15 28
16 30
17 32
18 36
19 40
20 42
21 44
22 45
23 48
24 50
25 52
26 54
27 56
28 60
29 63
30 64
31 66
32 70
33 72
34 78
35 80
36 84
37 88
38 90
39 96
40 100
41 102
42 104
43 105
44 108
45 110
46 112
47 114
48 120
49 126
50 128
51 130
52 132
53 135
54 136
55 138
56 140
57 144
58 150
59 152
60 154
61 156

List of values

[1, 2, 3, 4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 24, 28, 30, 32, 36, 40, 42, 44, 45, 48, 50, 52, 54, 56, 60, 63, 64, 66, 70, 72, 78, 80, 84, 88, 90, 96, 100, 102, 104, 105, 108, 110, 112, 114, 120, 126, 128, 130, 132, 135, 136, 138, 140, 144, 150, 152, 154, 156]

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

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