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.

A383743 a(n) is the smallest prime not yet in the sequence that satisfies the following: for some pair of different digits i and j in a(n-1), i preceding j (from left to right), j precedes i in a(n). Leading 0s are not allowed; a(1)=13. See Comments for details.

Table of values

n a(n)
1 13
2 31
3 103
4 101
5 107
6 71
7 17
8 271
9 127
10 211
11 1021
12 109
13 191
14 19
15 491
16 139
17 131
18 113
19 311
20 137
21 73
22 37
23 173
24 307
25 373
26 317
27 163
28 61
29 167
30 461
31 149
32 41
33 1049
34 241
35 421
36 1123
37 251
38 151
39 157
40 521
41 257
42 523
43 353
44 53
45 359
46 193
47 239
48 293
49 349
50 43
51 347
52 431

List of values

[13, 31, 103, 101, 107, 71, 17, 271, 127, 211, 1021, 109, 191, 19, 491, 139, 131, 113, 311, 137, 73, 37, 173, 307, 373, 317, 163, 61, 167, 461, 149, 41, 1049, 241, 421, 1123, 251, 151, 157, 521, 257, 523, 353, 53, 359, 193, 239, 293, 349, 43, 347, 431]