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.

A349748 Primes p for which 2^p-1 and 5^p-1 are not relatively prime.

Table of values

n a(n)
1 2
2 179
3 239
4 359
5 419
6 431
7 499
8 547
9 571
10 641
11 659
12 719
13 761
14 937
15 1013
16 1019
17 1223
18 1439
19 1499
20 1559
21 1789
22 2039
23 2339
24 2399
25 2459
26 2539
27 2593
28 2677
29 2699
30 2819
31 2939
32 3299
33 3359
34 3539
35 3779
36 4013
37 4019
38 4273
39 4513
40 4787
41 4919
42 5039
43 5279
44 5393
45 5399
46 5639
47 6173
48 6199
49 6899
50 7079
51 8599
52 8741
53 8929
54 9059
55 9419
56 9479

List of values

[2, 179, 239, 359, 419, 431, 499, 547, 571, 641, 659, 719, 761, 937, 1013, 1019, 1223, 1439, 1499, 1559, 1789, 2039, 2339, 2399, 2459, 2539, 2593, 2677, 2699, 2819, 2939, 3299, 3359, 3539, 3779, 4013, 4019, 4273, 4513, 4787, 4919, 5039, 5279, 5393, 5399, 5639, 6173, 6199, 6899, 7079, 8599, 8741, 8929, 9059, 9419, 9479]