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.

A180066 Smallest prime factor of 2-strong pseudoprimes.

Table of values

n a(n)
1 23
2 29
3 37
4 31
5 53
6 7
7 13
8 127
9 157
10 7
11 97
12 5
13 61
14 53
15 149
16 151
17 229
18 137
19 157
20 103
21 43
22 41
23 157
24 233
25 151
26 277
27 13
28 131
29 313
30 277
31 11
32 233
33 157
34 359
35 499
36 13
37 79
38 431
39 5
40 101
41 397
42 661
43 307
44 479
45 313
46 331
47 13
48 251
49 11
50 601
51 103
52 1093
53 449
54 409
55 733
56 571
57 499
58 673
59 829

List of values

[23, 29, 37, 31, 53, 7, 13, 127, 157, 7, 97, 5, 61, 53, 149, 151, 229, 137, 157, 103, 43, 41, 157, 233, 151, 277, 13, 131, 313, 277, 11, 233, 157, 359, 499, 13, 79, 431, 5, 101, 397, 661, 307, 479, 313, 331, 13, 251, 11, 601, 103, 1093, 449, 409, 733, 571, 499, 673, 829]