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.

A377713 Squarefree composite k such that floor(log n/log lpf(k)) <= omega(k), where lpf = A020639 and omega = A001221.

Table of values

n a(n)
1 6
2 15
3 21
4 35
5 55
6 65
7 77
8 85
9 91
10 95
11 115
12 119
13 133
14 143
15 161
16 187
17 203
18 209
19 217
20 221
21 247
22 253
23 259
24 287
25 299
26 301
27 319
28 323
29 329
30 341
31 377
32 385
33 391
34 403
35 407
36 437
37 451
38 455
39 473
40 481
41 493
42 517
43 527
44 533
45 551
46 559
47 583
48 589
49 595
50 611
51 629
52 649
53 667
54 671
55 689

List of values

[6, 15, 21, 35, 55, 65, 77, 85, 91, 95, 115, 119, 133, 143, 161, 187, 203, 209, 217, 221, 247, 253, 259, 287, 299, 301, 319, 323, 329, 341, 377, 385, 391, 403, 407, 437, 451, 455, 473, 481, 493, 517, 527, 533, 551, 559, 583, 589, 595, 611, 629, 649, 667, 671, 689]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.