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.

A364458 Prime numbers that are not repdigits with digits in nondecreasing order with the property that any nontrivial permutation of the digits gives a composite number.

Table of values

n a(n)
1 19
2 23
3 29
4 47
5 59
6 67
7 89
8 223
9 227
10 229
11 233
12 257
13 269
14 449
15 499
16 557
17 599
18 677
19 1447
20 2267
21 2447
22 4447
23 5557
24 8999
25 11119
26 15559
27 22229
28 22669
29 23333
30 24889
31 44449
32 48889
33 55589
34 55889
35 59999
36 79999
37 222269
38 444449
39 455557
40 555557
41 555589
42 666667
43 4444469
44 4555559

List of values

[19, 23, 29, 47, 59, 67, 89, 223, 227, 229, 233, 257, 269, 449, 499, 557, 599, 677, 1447, 2267, 2447, 4447, 5557, 8999, 11119, 15559, 22229, 22669, 23333, 24889, 44449, 48889, 55589, 55889, 59999, 79999, 222269, 444449, 455557, 555557, 555589, 666667, 4444469, 4555559]