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.

A138109 Positive integers k whose smallest prime factor is greater than the cube root of k and strictly less than the square root of k.

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
32 391
33 403
34 407
35 437
36 451
37 473
38 481
39 493
40 517
41 527
42 533
43 551
44 559
45 583
46 589
47 611
48 629
49 649
50 667
51 671
52 689
53 697
54 703

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, 391, 403, 407, 437, 451, 473, 481, 493, 517, 527, 533, 551, 559, 583, 589, 611, 629, 649, 667, 671, 689, 697, 703]

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

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