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.

A261560 Semiprimes sp such that (sum of digits of (sp)) + (product of digits of (sp)) is also semiprime.

Table of values

n a(n)
1 14
2 33
3 38
4 39
5 46
6 49
7 55
8 69
9 74
10 82
11 86
12 93
13 94
14 111
15 121
16 122
17 141
18 142
19 146
20 161
21 166
22 202
23 214
24 221
25 226
26 247
27 249
28 254
29 259
30 262
31 274
32 278
33 287
34 295
35 301
36 303
37 323
38 334
39 346
40 386
41 411
42 427
43 445
44 454
45 458
46 469
47 485
48 489
49 501
50 505
51 529
52 542
53 565
54 586
55 589

List of values

[14, 33, 38, 39, 46, 49, 55, 69, 74, 82, 86, 93, 94, 111, 121, 122, 141, 142, 146, 161, 166, 202, 214, 221, 226, 247, 249, 254, 259, 262, 274, 278, 287, 295, 301, 303, 323, 334, 346, 386, 411, 427, 445, 454, 458, 469, 485, 489, 501, 505, 529, 542, 565, 586, 589]