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.

A339002 Numbers of the form prime(x) * prime(y) where x and y are distinct and have a common divisor > 1.

Table of values

n a(n)
1 21
2 39
3 57
4 65
5 87
6 91
7 111
8 115
9 129
10 133
11 159
12 183
13 185
14 203
15 213
16 235
17 237
18 247
19 259
20 267
21 299
22 301
23 303
24 305
25 319
26 321
27 339
28 365
29 371
30 377
31 393
32 417
33 427
34 445
35 453
36 481
37 489
38 497
39 515
40 517
41 519
42 543
43 551
44 553
45 559
46 565
47 579
48 597
49 611
50 623
51 669
52 685
53 687

List of values

[21, 39, 57, 65, 87, 91, 111, 115, 129, 133, 159, 183, 185, 203, 213, 235, 237, 247, 259, 267, 299, 301, 303, 305, 319, 321, 339, 365, 371, 377, 393, 417, 427, 445, 453, 481, 489, 497, 515, 517, 519, 543, 551, 553, 559, 565, 579, 597, 611, 623, 669, 685, 687]