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.

A081765 Numbers k such that (k+2) divides 2^(k-1) - 1.

Table of values

n a(n)
1 1
2 7
3 13
4 19
5 31
6 37
7 49
8 55
9 61
10 67
11 85
12 91
13 109
14 121
15 127
16 139
17 157
18 175
19 181
20 193
21 199
22 211
23 217
24 235
25 247
26 265
27 289
28 301
29 307
30 313
31 319
32 325
33 337
34 379
35 391
36 397
37 409
38 415
39 445
40 451
41 469
42 487
43 499
44 517
45 535
46 541
47 571
48 577
49 589
50 595
51 631
52 667
53 679
54 685
55 691

List of values

[1, 7, 13, 19, 31, 37, 49, 55, 61, 67, 85, 91, 109, 121, 127, 139, 157, 175, 181, 193, 199, 211, 217, 235, 247, 265, 289, 301, 307, 313, 319, 325, 337, 379, 391, 397, 409, 415, 445, 451, 469, 487, 499, 517, 535, 541, 571, 577, 589, 595, 631, 667, 679, 685, 691]