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.

A180868 Numbers n such that n and n+1 are semiprime powers.

Table of values

n a(n)
1 9
2 14
3 15
4 21
5 25
6 33
7 34
8 35
9 38
10 57
11 64
12 81
13 85
14 86
15 93
16 94
17 118
18 121
19 122
20 133
21 141
22 142
23 145
24 158
25 177
26 201
27 202
28 205
29 213
30 214
31 215
32 216
33 217
34 218
35 225
36 253
37 298
38 301
39 302
40 326
41 334
42 361
43 381
44 393
45 394
46 445
47 446
48 453
49 481
50 484
51 501

List of values

[9, 14, 15, 21, 25, 33, 34, 35, 38, 57, 64, 81, 85, 86, 93, 94, 118, 121, 122, 133, 141, 142, 145, 158, 177, 201, 202, 205, 213, 214, 215, 216, 217, 218, 225, 253, 298, 301, 302, 326, 334, 361, 381, 393, 394, 445, 446, 453, 481, 484, 501]