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.

A001271 Irregular table read by rows: row n lists prime factors of 10^n +1, with multiplicity.

Table of values

n a(n)
0 2
1 11
2 101
3 7
4 11
5 13
6 73
7 137
8 11
9 9091
10 101
11 9901
12 11
13 909091
14 17
15 5882353
16 7
17 11
18 13
19 19
20 52579
21 101
22 3541
23 27961
24 11
25 11
26 23
27 4093
28 8779
29 73
30 137
31 99990001
32 11
33 859
34 1058313049
35 29
36 101
37 281
38 121499449
39 7
40 11
41 13
42 211
43 241
44 2161
45 9091
46 353
47 449
48 641
49 1409
50 69857

List of values

[2, 11, 101, 7, 11, 13, 73, 137, 11, 9091, 101, 9901, 11, 909091, 17, 5882353, 7, 11, 13, 19, 52579, 101, 3541, 27961, 11, 11, 23, 4093, 8779, 73, 137, 99990001, 11, 859, 1058313049, 29, 101, 281, 121499449, 7, 11, 13, 211, 241, 2161, 9091, 353, 449, 641, 1409, 69857]