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.

A305759 Numbers that can be factored as a product of numbers of the form 2^k+1 (A000051).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 8
8 9
9 10
10 12
11 15
12 16
13 17
14 18
15 20
16 24
17 25
18 27
19 30
20 32
21 33
22 34
23 36
24 40
25 45
26 48
27 50
28 51
29 54
30 60
31 64
32 65
33 66
34 68
35 72
36 75
37 80
38 81
39 85
40 90
41 96
42 99
43 100
44 102
45 108
46 120
47 125
48 128
49 129
50 130
51 132
52 135
53 136
54 144
55 150
56 153
57 160
58 162
59 165
60 170
61 180
62 192

List of values

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 32, 33, 34, 36, 40, 45, 48, 50, 51, 54, 60, 64, 65, 66, 68, 72, 75, 80, 81, 85, 90, 96, 99, 100, 102, 108, 120, 125, 128, 129, 130, 132, 135, 136, 144, 150, 153, 160, 162, 165, 170, 180, 192]