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.

A046258 a(1) = 8; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime.

Table of values

n a(n)
1 8
2 9
3 23
4 51
5 69
6 81
7 93
8 129
9 169
10 179
11 181
12 273
13 321
14 321
15 449
16 639
17 769
18 857
19 1047
20 1213
21 1233
22 1443
23 1587
24 1637
25 1953
26 2433
27 2599
28 2639
29 2901
30 3261
31 3681
32 4059
33 5109
34 5169
35 5407
36 5691
37 6149
38 6531
39 7939
40 8081
41 8211
42 8439
43 8589
44 8623
45 8663
46 8757
47 9459

List of values

[8, 9, 23, 51, 69, 81, 93, 129, 169, 179, 181, 273, 321, 321, 449, 639, 769, 857, 1047, 1213, 1233, 1443, 1587, 1637, 1953, 2433, 2599, 2639, 2901, 3261, 3681, 4059, 5109, 5169, 5407, 5691, 6149, 6531, 7939, 8081, 8211, 8439, 8589, 8623, 8663, 8757, 9459]