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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.

A139795 Least m such that k>=m implies phi(k)>=n (where phi is the Euler totient function, sequence A000010).

Table of values

n a(n)
1 1
2 3
3 7
4 7
5 13
6 13
7 19
8 19
9 31
10 31
11 31
12 31
13 43
14 43
15 43
16 43
17 61
18 61
19 61
20 61
21 67
22 67
23 67
24 67
25 91
26 91
27 91
28 91
29 91
30 91
31 91
32 91
33 121
34 121
35 121
36 121
37 127
38 127
39 127
40 127
41 151
42 151
43 151
44 151
45 151
46 151
47 151
48 151
49 211
50 211
51 211
52 211
53 211
54 211
55 211
56 211
57 211
58 211
59 211
60 211
61 211

List of values

[1, 3, 7, 7, 13, 13, 19, 19, 31, 31, 31, 31, 43, 43, 43, 43, 61, 61, 61, 61, 67, 67, 67, 67, 91, 91, 91, 91, 91, 91, 91, 91, 121, 121, 121, 121, 127, 127, 127, 127, 151, 151, 151, 151, 151, 151, 151, 151, 211, 211, 211, 211, 211, 211, 211, 211, 211, 211, 211, 211, 211]

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

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