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.

A067660 Values of gcd(k!+1,2^k+1) not equal to 1 taking k in increasing order.

Table of values

n a(n)
1 2
2 11
3 19
4 43
5 67
6 131
7 163
8 179
9 227
10 347
11 419
12 443
13 491
14 523
15 563
16 571
17 619
18 683
19 691
20 739
21 787
22 947
23 1019
24 1051
25 1091
26 1123
27 1187
28 1291
29 1451
30 1499
31 1571
32 1579
33 1667
34 1723
35 1747
36 1867
37 1907
38 1931
39 2003
40 2131
41 2203
42 6043
43 2347
44 2371
45 2531
46 2579
47 2659

List of values

[2, 11, 19, 43, 67, 131, 163, 179, 227, 347, 419, 443, 491, 523, 563, 571, 619, 683, 691, 739, 787, 947, 1019, 1051, 1091, 1123, 1187, 1291, 1451, 1499, 1571, 1579, 1667, 1723, 1747, 1867, 1907, 1931, 2003, 2131, 2203, 6043, 2347, 2371, 2531, 2579, 2659]