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.

A107744 Smallest prime factor of 6*n+1.

Table of values

n a(n)
1 7
2 13
3 19
4 5
5 31
6 37
7 43
8 7
9 5
10 61
11 67
12 73
13 79
14 5
15 7
16 97
17 103
18 109
19 5
20 11
21 127
22 7
23 139
24 5
25 151
26 157
27 163
28 13
29 5
30 181
31 11
32 193
33 199
34 5
35 211
36 7
37 223
38 229
39 5
40 241
41 13
42 11
43 7
44 5
45 271
46 277
47 283
48 17
49 5
50 7
51 307
52 313
53 11
54 5
55 331
56 337
57 7
58 349
59 5
60 19
61 367
62 373
63 379
64 5
65 17
66 397
67 13
68 409

List of values

[7, 13, 19, 5, 31, 37, 43, 7, 5, 61, 67, 73, 79, 5, 7, 97, 103, 109, 5, 11, 127, 7, 139, 5, 151, 157, 163, 13, 5, 181, 11, 193, 199, 5, 211, 7, 223, 229, 5, 241, 13, 11, 7, 5, 271, 277, 283, 17, 5, 7, 307, 313, 11, 5, 331, 337, 7, 349, 5, 19, 367, 373, 379, 5, 17, 397, 13, 409]