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.

A068419 Odd prime values of sigma(k) - phi(k) taking k in increasing order.

Table of values

n a(n)
1 5
2 11
3 7
4 23
5 11
6 47
7 79
8 73
9 67
10 23
11 191
12 283
13 383
14 739
15 47
16 1459
17 281
18 607
19 59
20 1153
21 1069
22 3319
23 83
24 1801
25 2671
26 3517
27 743
28 107
29 6679
30 3529
31 6619
32 6143
33 6271
34 4153
35 10169
36 9817
37 167
38 6451
39 179
40 24097
41 23539
42 10369
43 227
44 263
45 16369
46 41203
47 20809
48 54919

List of values

[5, 11, 7, 23, 11, 47, 79, 73, 67, 23, 191, 283, 383, 739, 47, 1459, 281, 607, 59, 1153, 1069, 3319, 83, 1801, 2671, 3517, 743, 107, 6679, 3529, 6619, 6143, 6271, 4153, 10169, 9817, 167, 6451, 179, 24097, 23539, 10369, 227, 263, 16369, 41203, 20809, 54919]