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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.

A065393 Sigma(phi(m)) - phi(sigma(m)) is increasing at these values of m.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 13
6 17
7 19
8 29
9 31
10 37
11 41
12 53
13 61
14 73
15 95
16 97
17 109
18 127
19 143
20 157
21 181
22 209
23 241
24 287
25 313
26 323
27 337
28 377
29 403
30 407
31 421
32 473
33 527
34 533
35 541
36 589
37 601
38 661
39 713
40 731
41 757
42 779
43 899
44 1009
45 1073
46 1147
47 1159
48 1199
49 1271
50 1321
51 1333
52 1349
53 1517

List of values

[3, 5, 7, 11, 13, 17, 19, 29, 31, 37, 41, 53, 61, 73, 95, 97, 109, 127, 143, 157, 181, 209, 241, 287, 313, 323, 337, 377, 403, 407, 421, 473, 527, 533, 541, 589, 601, 661, 713, 731, 757, 779, 899, 1009, 1073, 1147, 1159, 1199, 1271, 1321, 1333, 1349, 1517]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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