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.

A387595 Numbers k that divide both x^2 + 1 and 2^x + 1 for some number x.

Table of values

n a(n)
1 1
2 5
3 13
4 17
5 29
6 37
7 41
8 53
9 61
10 65
11 97
12 101
13 109
14 113
15 137
16 145
17 149
18 157
19 173
20 181
21 185
22 193
23 197
24 229
25 241
26 257
27 265
28 269
29 277
30 281
31 293
32 313
33 317
34 349
35 353
36 373
37 377
38 389
39 397
40 401
41 409
42 421
43 433
44 449
45 457
46 461
47 481
48 509
49 521
50 533
51 541
52 545
53 557
54 565
55 569
56 577
57 593
58 613
59 617
60 641
61 653
62 661

List of values

[1, 5, 13, 17, 29, 37, 41, 53, 61, 65, 97, 101, 109, 113, 137, 145, 149, 157, 173, 181, 185, 193, 197, 229, 241, 257, 265, 269, 277, 281, 293, 313, 317, 349, 353, 373, 377, 389, 397, 401, 409, 421, 433, 449, 457, 461, 481, 509, 521, 533, 541, 545, 557, 565, 569, 577, 593, 613, 617, 641, 653, 661]

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

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