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.

A068483 Numbers n such that gcd(n!-1,2^n-1)>1.

Table of values

n a(n)
1 11
2 15
3 35
4 75
5 83
6 111
7 119
8 135
9 155
10 179
11 219
12 231
13 243
14 323
15 359
16 375
17 455
18 459
19 483
20 491
21 515
22 519
23 525
24 531
25 551
26 611
27 615
28 639
29 651
30 663
31 699
32 719
33 723
34 735
35 771
36 779
37 783
38 803
39 879
40 915
41 923
42 939
43 999
44 1043
45 1103
46 1119
47 1175
48 1199
49 1271
50 1323

List of values

[11, 15, 35, 75, 83, 111, 119, 135, 155, 179, 219, 231, 243, 323, 359, 375, 455, 459, 483, 491, 515, 519, 525, 531, 551, 611, 615, 639, 651, 663, 699, 719, 723, 735, 771, 779, 783, 803, 879, 915, 923, 939, 999, 1043, 1103, 1119, 1175, 1199, 1271, 1323]