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.

A192519 Monotonic ordering of set S generated by these rules: if x and y are in S then floor(x*y/2) is in S, and 3 is in S.

Table of values

n a(n)
1 3
2 4
3 6
4 8
5 9
6 12
7 13
8 16
9 18
10 19
11 24
12 26
13 27
14 28
15 32
16 36
17 38
18 39
19 40
20 42
21 48
22 52
23 54
24 56
25 57
26 58
27 60
28 63
29 64
30 72
31 76
32 78
33 80
34 81
35 84
36 85
37 87
38 90
39 94
40 96
41 104
42 108
43 112
44 114
45 116
46 117
47 120
48 121
49 123
50 126
51 127
52 128
53 130
54 135
55 141
56 144
57 152
58 156
59 160
60 162
61 168
62 169

List of values

[3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 28, 32, 36, 38, 39, 40, 42, 48, 52, 54, 56, 57, 58, 60, 63, 64, 72, 76, 78, 80, 81, 84, 85, 87, 90, 94, 96, 104, 108, 112, 114, 116, 117, 120, 121, 123, 126, 127, 128, 130, 135, 141, 144, 152, 156, 160, 162, 168, 169]