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.

A264815 Semirps: a semirp (or semi-r-p) is a semiprime r*p with r and p both reversed primes.

Table of values

n a(n)
1 4
2 6
3 9
4 10
5 14
6 15
7 21
8 22
9 25
10 26
11 33
12 34
13 35
14 39
15 49
16 51
17 55
18 62
19 65
20 74
21 77
22 85
23 91
24 93
25 111
26 119
27 121
28 142
29 143
30 146
31 155
32 158
33 169
34 185
35 187
36 194
37 202
38 213
39 214
40 217
41 219
42 221
43 226
44 237
45 259
46 262
47 289
48 291
49 298
50 302
51 303
52 314
53 321
54 334
55 339
56 341
57 355

List of values

[4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 39, 49, 51, 55, 62, 65, 74, 77, 85, 91, 93, 111, 119, 121, 142, 143, 146, 155, 158, 169, 185, 187, 194, 202, 213, 214, 217, 219, 221, 226, 237, 259, 262, 289, 291, 298, 302, 303, 314, 321, 334, 339, 341, 355]