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.

A355177 Numbers k such that omega(k^2 - 1) = omega(k) where omega(k) = A001221(k).

Table of values

n a(n)
1 2
2 3
3 6
4 10
5 12
6 15
7 18
8 24
9 26
10 28
11 33
12 48
13 63
14 66
15 70
16 72
17 78
18 80
19 82
20 84
21 90
22 105
23 108
24 110
25 114
26 120
27 130
28 132
29 140
30 156
31 165
32 170
33 174
34 182
35 190
36 192
37 195
38 222
39 234
40 238
41 242
42 252
43 258
44 264
45 273
46 276
47 280
48 290
49 294
50 306
51 308
52 310
53 315
54 318
55 336
56 342
57 345
58 350
59 354
60 357
61 366
62 372
63 374
64 378
65 380
66 385
67 396
68 399

List of values

[2, 3, 6, 10, 12, 15, 18, 24, 26, 28, 33, 48, 63, 66, 70, 72, 78, 80, 82, 84, 90, 105, 108, 110, 114, 120, 130, 132, 140, 156, 165, 170, 174, 182, 190, 192, 195, 222, 234, 238, 242, 252, 258, 264, 273, 276, 280, 290, 294, 306, 308, 310, 315, 318, 336, 342, 345, 350, 354, 357, 366, 372, 374, 378, 380, 385, 396, 399]