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.

A124318 3-almost primes indexed by semiprimes.

Table of values

n a(n)
1 20
2 28
3 44
4 45
5 66
6 68
7 98
8 99
9 110
10 114
11 147
12 148
13 153
14 165
15 170
16 188
17 207
18 222
19 238
20 244
21 245
22 261
23 273
24 284
25 310
26 322
27 343
28 356
29 357
30 363
31 374
32 387
33 388
34 399
35 429
36 438
37 465
38 475
39 477
40 494
41 498
42 506
43 531
44 549
45 555
46 590
47 595
48 596
49 602
50 603
51 628
52 639
53 642

List of values

[20, 28, 44, 45, 66, 68, 98, 99, 110, 114, 147, 148, 153, 165, 170, 188, 207, 222, 238, 244, 245, 261, 273, 284, 310, 322, 343, 356, 357, 363, 374, 387, 388, 399, 429, 438, 465, 475, 477, 494, 498, 506, 531, 549, 555, 590, 595, 596, 602, 603, 628, 639, 642]