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.

A341845 a(n) = A061026(2n): smallest k such that 2n divides phi(k), phi = A000010.

Table of values

n a(n)
1 3
2 5
3 7
4 15
5 11
6 13
7 29
8 17
9 19
10 25
11 23
12 35
13 53
14 29
15 31
16 51
17 103
18 37
19 191
20 41
21 43
22 69
23 47
24 65
25 101
26 53
27 81
28 87
29 59
30 61
31 311
32 85
33 67
34 137
35 71
36 73
37 149
38 229
39 79
40 123
41 83
42 129
43 173
44 89
45 181
46 141
47 283
48 97
49 197
50 101
51 103
52 159
53 107
54 109
55 121
56 113
57 229
58 177
59 709
60 143

List of values

[3, 5, 7, 15, 11, 13, 29, 17, 19, 25, 23, 35, 53, 29, 31, 51, 103, 37, 191, 41, 43, 69, 47, 65, 101, 53, 81, 87, 59, 61, 311, 85, 67, 137, 71, 73, 149, 229, 79, 123, 83, 129, 173, 89, 181, 141, 283, 97, 197, 101, 103, 159, 107, 109, 121, 113, 229, 177, 709, 143]