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.

A023585 Least prime divisor of 2*prime(n)-1.

Table of values

n a(n)
1 3
2 5
3 3
4 13
5 3
6 5
7 3
8 37
9 3
10 3
11 61
12 73
13 3
14 5
15 3
16 3
17 3
18 11
19 7
20 3
21 5
22 157
23 3
24 3
25 193
26 3
27 5
28 3
29 7
30 3
31 11
32 3
33 3
34 277
35 3
36 7
37 313
38 5
39 3
40 3
41 3
42 19
43 3
44 5
45 3
46 397
47 421
48 5
49 3
50 457
51 3
52 3
53 13
54 3
55 3
56 3
57 3
58 541
59 7
60 3
61 5
62 3
63 613
64 3
65 5
66 3
67 661
68 673
69 3
70 17
71 3
72 3
73 733
74 5
75 757
76 3
77 3
78 13
79 3
80 19
81 3

List of values

[3, 5, 3, 13, 3, 5, 3, 37, 3, 3, 61, 73, 3, 5, 3, 3, 3, 11, 7, 3, 5, 157, 3, 3, 193, 3, 5, 3, 7, 3, 11, 3, 3, 277, 3, 7, 313, 5, 3, 3, 3, 19, 3, 5, 3, 397, 421, 5, 3, 457, 3, 3, 13, 3, 3, 3, 3, 541, 7, 3, 5, 3, 613, 3, 5, 3, 661, 673, 3, 17, 3, 3, 733, 5, 757, 3, 3, 13, 3, 19, 3]