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.

A125255 Smallest prime divisor of 4n-1.

Table of values

n a(n)
1 3
2 7
3 11
4 3
5 19
6 23
7 3
8 31
9 5
10 3
11 43
12 47
13 3
14 5
15 59
16 3
17 67
18 71
19 3
20 79
21 83
22 3
23 7
24 5
25 3
26 103
27 107
28 3
29 5
30 7
31 3
32 127
33 131
34 3
35 139
36 11
37 3
38 151
39 5
40 3
41 163
42 167
43 3
44 5
45 179
46 3
47 11
48 191
49 3
50 199
51 7
52 3
53 211
54 5
55 3
56 223
57 227
58 3
59 5
60 239
61 3
62 13
63 251
64 3
65 7
66 263
67 3
68 271
69 5
70 3
71 283
72 7
73 3
74 5
75 13
76 3
77 307

List of values

[3, 7, 11, 3, 19, 23, 3, 31, 5, 3, 43, 47, 3, 5, 59, 3, 67, 71, 3, 79, 83, 3, 7, 5, 3, 103, 107, 3, 5, 7, 3, 127, 131, 3, 139, 11, 3, 151, 5, 3, 163, 167, 3, 5, 179, 3, 11, 191, 3, 199, 7, 3, 211, 5, 3, 223, 227, 3, 5, 239, 3, 13, 251, 3, 7, 263, 3, 271, 5, 3, 283, 7, 3, 5, 13, 3, 307]