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.

A235108 Semiprimes with digits in strictly decreasing order.

Table of values

n a(n)
1 4
2 6
3 9
4 10
5 21
6 51
7 62
8 65
9 74
10 82
11 85
12 86
13 87
14 91
15 93
16 94
17 95
18 321
19 542
20 543
21 721
22 731
23 753
24 763
25 831
26 841
27 842
28 843
29 851
30 862
31 865
32 871
33 921
34 943
35 951
36 961
37 965
38 973
39 974
40 982
41 985
42 4321
43 5321
44 6431
45 6541
46 6542
47 7421
48 7431
49 7531
50 7543
51 7631
52 7642
53 7651

List of values

[4, 6, 9, 10, 21, 51, 62, 65, 74, 82, 85, 86, 87, 91, 93, 94, 95, 321, 542, 543, 721, 731, 753, 763, 831, 841, 842, 843, 851, 862, 865, 871, 921, 943, 951, 961, 965, 973, 974, 982, 985, 4321, 5321, 6431, 6541, 6542, 7421, 7431, 7531, 7543, 7631, 7642, 7651]