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.

A224400 Composite numbers that become prime when their digits are put in nondecreasing order.

Table of values

n a(n)
1 20
2 30
3 32
4 50
5 70
6 74
7 76
8 91
9 92
10 95
11 98
12 110
13 130
14 170
15 172
16 175
17 176
18 190
19 194
20 200
21 203
22 209
23 217
24 230
25 232
26 272
27 275
28 290
29 292
30 296
31 300
32 301
33 302
34 310
35 319
36 320
37 322
38 323
39 329
40 332
41 370
42 371
43 374
44 376
45 391
46 392
47 394
48 395
49 398
50 407
51 437
52 470
53 473
54 475

List of values

[20, 30, 32, 50, 70, 74, 76, 91, 92, 95, 98, 110, 130, 170, 172, 175, 176, 190, 194, 200, 203, 209, 217, 230, 232, 272, 275, 290, 292, 296, 300, 301, 302, 310, 319, 320, 322, 323, 329, 332, 370, 371, 374, 376, 391, 392, 394, 395, 398, 407, 437, 470, 473, 475]