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.

A349275 Semiprimes with only semiprime digits, each appearing at least once.

Table of values

n a(n)
1 469
2 649
3 694
4 4469
5 4694
6 4699
7 4946
8 6499
9 6649
10 6694
11 9446
12 9466
13 9469
14 9946
15 44669
16 44966
17 44969
18 46469
19 46946
20 46969
21 46994
22 46999
23 49466
24 49649
25 49694
26 49699
27 49969
28 64469
29 64649
30 64669
31 64949
32 64994
33 66469
34 66494
35 66694
36 69449
37 69469
38 69494
39 69694
40 69949
41 94469
42 94669
43 94699
44 94969
45 96449
46 96494
47 96649
48 96946
49 96949
50 96994
51 99646
52 99649
53 444694

List of values

[469, 649, 694, 4469, 4694, 4699, 4946, 6499, 6649, 6694, 9446, 9466, 9469, 9946, 44669, 44966, 44969, 46469, 46946, 46969, 46994, 46999, 49466, 49649, 49694, 49699, 49969, 64469, 64649, 64669, 64949, 64994, 66469, 66494, 66694, 69449, 69469, 69494, 69694, 69949, 94469, 94669, 94699, 94969, 96449, 96494, 96649, 96946, 96949, 96994, 99646, 99649, 444694]