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.

A141409 Prime numbers that cannot be formed by the concatenation of previous terms.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 13
7 17
8 19
9 29
10 31
11 41
12 43
13 47
14 59
15 61
16 67
17 71
18 79
19 83
20 89
21 97
22 101
23 103
24 107
25 109
26 127
27 131
28 139
29 149
30 151
31 157
32 163
33 167
34 179
35 181
36 191
37 199
38 223
39 227
40 233
41 239
42 251
43 263
44 269
45 277
46 281
47 307
48 337
49 349
50 353
51 373
52 401
53 409
54 419
55 421
56 431
57 439
58 443
59 449
60 457
61 461

List of values

[2, 3, 5, 7, 11, 13, 17, 19, 29, 31, 41, 43, 47, 59, 61, 67, 71, 79, 83, 89, 97, 101, 103, 107, 109, 127, 131, 139, 149, 151, 157, 163, 167, 179, 181, 191, 199, 223, 227, 233, 239, 251, 263, 269, 277, 281, 307, 337, 349, 353, 373, 401, 409, 419, 421, 431, 439, 443, 449, 457, 461]