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.

A092590 a(n) = A065395(A000040(n)); values of commutator of sigma and phi function at prime number arguments.

Table of values

n a(n)
1 -1
2 1
3 5
4 8
5 14
6 22
7 25
8 31
9 28
10 48
11 56
12 73
13 78
14 76
15 56
16 80
17 74
18 138
19 112
20 120
21 159
22 136
23 102
24 156
25 210
26 185
27 168
28 126
29 240
30 212
31 248
32 212
33 226
34 240
35 226
36 300
37 314
38 283
39 204
40 252
41 222
42 474
43 296
44 412
45 339
46 388
47 472
48 360
49 270
50 472
51 378
52 368
53 634
54 396
55 427
56 316
57 404
58 592
59 534
60 628
61 436
62 434
63 582
64 480
65 684
66 456
67 700
68 836

List of values

[-1, 1, 5, 8, 14, 22, 25, 31, 28, 48, 56, 73, 78, 76, 56, 80, 74, 138, 112, 120, 159, 136, 102, 156, 210, 185, 168, 126, 240, 212, 248, 212, 226, 240, 226, 300, 314, 283, 204, 252, 222, 474, 296, 412, 339, 388, 472, 360, 270, 472, 378, 368, 634, 396, 427, 316, 404, 592, 534, 628, 436, 434, 582, 480, 684, 456, 700, 836]