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.

A081858 Numbers k such that 2*k+1 divides 2^k-1.

Table of values

n a(n)
1 0
2 3
3 8
4 11
5 15
6 20
7 23
8 35
9 36
10 39
11 44
12 48
13 51
14 56
15 63
16 68
17 75
18 83
19 95
20 96
21 99
22 111
23 116
24 119
25 120
26 128
27 131
28 135
29 140
30 155
31 156
32 168
33 170
34 176
35 179
36 183
37 191
38 200
39 204
40 215
41 216
42 219
43 224
44 228
45 231
46 239
47 243
48 251
49 260
50 280
51 284
52 288
53 296
54 299
55 300
56 303
57 308

List of values

[0, 3, 8, 11, 15, 20, 23, 35, 36, 39, 44, 48, 51, 56, 63, 68, 75, 83, 95, 96, 99, 111, 116, 119, 120, 128, 131, 135, 140, 155, 156, 168, 170, 176, 179, 183, 191, 200, 204, 215, 216, 219, 224, 228, 231, 239, 243, 251, 260, 280, 284, 288, 296, 299, 300, 303, 308]