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.

A235688 Semiprimes which remain semiprimes when the leftmost digit is removed.

Table of values

n a(n)
1 14
2 26
3 34
4 39
5 46
6 49
7 69
8 74
9 86
10 94
11 106
12 115
13 121
14 122
15 133
16 134
17 146
18 155
19 158
20 169
21 177
22 185
23 187
24 194
25 206
26 209
27 214
28 215
29 221
30 226
31 235
32 249
33 262
34 265
35 274
36 287
37 291
38 295
39 309
40 314
41 321
42 326
43 334
44 335
45 339
46 346
47 355
48 358
49 362
50 365
51 377
52 382
53 386
54 391

List of values

[14, 26, 34, 39, 46, 49, 69, 74, 86, 94, 106, 115, 121, 122, 133, 134, 146, 155, 158, 169, 177, 185, 187, 194, 206, 209, 214, 215, 221, 226, 235, 249, 262, 265, 274, 287, 291, 295, 309, 314, 321, 326, 334, 335, 339, 346, 355, 358, 362, 365, 377, 382, 386, 391]