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.

A344468 Semiprimes k such that every permutation of the digits of k is a semiprime.

Table of values

n a(n)
1 4
2 6
3 9
4 15
5 22
6 26
7 33
8 39
9 49
10 51
11 55
12 58
13 62
14 77
15 85
16 93
17 94
18 111
19 155
20 177
21 178
22 187
23 226
24 262
25 339
26 355
27 393
28 515
29 535
30 551
31 553
32 622
33 717
34 718
35 771
36 781
37 817
38 871
39 899
40 933
41 989
42 998
43 1111
44 3777
45 4555
46 5455
47 5545
48 5554
49 5999
50 7377
51 7737
52 7773
53 7999
54 9599

List of values

[4, 6, 9, 15, 22, 26, 33, 39, 49, 51, 55, 58, 62, 77, 85, 93, 94, 111, 155, 177, 178, 187, 226, 262, 339, 355, 393, 515, 535, 551, 553, 622, 717, 718, 771, 781, 817, 871, 899, 933, 989, 998, 1111, 3777, 4555, 5455, 5545, 5554, 5999, 7377, 7737, 7773, 7999, 9599]