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.

A046411 Composite numbers the concatenation of whose prime factors is a prime.

Table of values

n a(n)
1 6
2 12
3 18
4 21
5 22
6 28
7 33
8 39
9 46
10 51
11 52
12 54
13 58
14 63
15 66
16 70
17 82
18 84
19 93
20 98
21 111
22 115
23 117
24 133
25 141
26 142
27 148
28 154
29 159
30 162
31 165
32 166
33 171
34 172
35 175
36 177
37 182
38 187
39 198
40 201
41 205
42 207
43 210
44 219
45 220
46 226
47 232
48 235
49 237
50 245
51 246
52 247
53 249
54 253
55 255
56 261

List of values

[6, 12, 18, 21, 22, 28, 33, 39, 46, 51, 52, 54, 58, 63, 66, 70, 82, 84, 93, 98, 111, 115, 117, 133, 141, 142, 148, 154, 159, 162, 165, 166, 171, 172, 175, 177, 182, 187, 198, 201, 205, 207, 210, 219, 220, 226, 232, 235, 237, 245, 246, 247, 249, 253, 255, 261]