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.

A340077 Odd numbers k for which k-1 is a multiple of A053575(k) [the odd part of phi(k)].

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 11
6 13
7 15
8 17
9 19
10 23
11 29
12 31
13 37
14 41
15 43
16 47
17 51
18 53
19 59
20 61
21 67
22 71
23 73
24 79
25 83
26 85
27 89
28 91
29 97
30 101
31 103
32 107
33 109
34 113
35 127
36 131
37 137
38 139
39 149
40 151
41 157
42 163
43 167
44 173
45 179
46 181
47 191
48 193
49 197
50 199
51 211
52 223
53 227
54 229
55 233
56 239
57 241
58 251
59 255
60 257
61 263
62 269
63 271
64 277
65 281
66 283
67 293
68 307
69 311
70 313

List of values

[1, 3, 5, 7, 11, 13, 15, 17, 19, 23, 29, 31, 37, 41, 43, 47, 51, 53, 59, 61, 67, 71, 73, 79, 83, 85, 89, 91, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 255, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313]