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.

A001284 Numbers of form m*k with m+1 <= k <= 2m-1.

Table of values

n a(n)
1 6
2 12
3 15
4 20
5 24
6 28
7 30
8 35
9 40
10 42
11 45
12 48
13 54
14 56
15 60
16 63
17 66
18 70
19 72
20 77
21 80
22 84
23 88
24 90
25 91
26 96
27 99
28 104
29 108
30 110
31 112
32 117
33 120
34 126
35 130
36 132
37 135
38 140
39 143
40 144
41 150
42 153
43 154
44 156
45 160
46 165
47 168
48 170
49 176
50 180
51 182
52 187
53 190
54 192
55 195
56 198
57 204
58 208
59 209
60 210
61 216
62 220
63 221
64 224
65 228
66 231

List of values

[6, 12, 15, 20, 24, 28, 30, 35, 40, 42, 45, 48, 54, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 91, 96, 99, 104, 108, 110, 112, 117, 120, 126, 130, 132, 135, 140, 143, 144, 150, 153, 154, 156, 160, 165, 168, 170, 176, 180, 182, 187, 190, 192, 195, 198, 204, 208, 209, 210, 216, 220, 221, 224, 228, 231]