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.

A271109 Numbers k such that (5 * 10^k - 119)/3 is prime.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 8
6 11
7 26
8 33
9 35
10 41
11 69
12 73
13 204
14 230
15 295
16 381
17 392
18 537
19 776
20 1187
21 2187
22 2426
23 4182
24 4589
25 5841
26 6107
27 11513
28 13431
29 28901
30 56256
31 65203
32 66613
33 82085
34 91707
35 126871
36 140281

List of values

[2, 3, 5, 6, 8, 11, 26, 33, 35, 41, 69, 73, 204, 230, 295, 381, 392, 537, 776, 1187, 2187, 2426, 4182, 4589, 5841, 6107, 11513, 13431, 28901, 56256, 65203, 66613, 82085, 91707, 126871, 140281]