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.

A089702 a(1) = 2 then primes in nondecreasing order such that every concatenation is prime.

Table of values

n a(n)
0 2
1 3
2 3
3 3
4 3
5 23
6 43
7 59
8 67
9 83
10 199
11 239
12 421
13 569
14 613
15 1307
16 2017
17 2129
18 2467
19 2741
20 2953
21 3011
22 3319
23 3413
24 3607
25 3617
26 5449
27 6917
28 7333
29 7529
30 8389
31 10211
32 10357
33 12641
34 12703
35 15077
36 17107
37 21341
38 21799
39 22469
40 32911
41 33587
42 33613
43 33647

List of values

[2, 3, 3, 3, 3, 23, 43, 59, 67, 83, 199, 239, 421, 569, 613, 1307, 2017, 2129, 2467, 2741, 2953, 3011, 3319, 3413, 3607, 3617, 5449, 6917, 7333, 7529, 8389, 10211, 10357, 12641, 12703, 15077, 17107, 21341, 21799, 22469, 32911, 33587, 33613, 33647]