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.

A233768 Numbers k such that k divides 1 + Sum_{j=1..k} prime(j)^19.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 6
6 10
7 12
8 53
9 226
10 361
11 400
12 620
13 935
14 1037
15 3832
16 3960
17 4956
18 7222
19 12183
20 13615
21 24437
22 80849
23 450827
24 680044
25 7388490
26 23503578
27 27723887
28 52048944
29 85860268
30 126177976
31 606788411
32 613917734
33 2693408896
34 3856356590
35 5167833600
36 5810025660
37 9197308014
38 10805855623
39 19751202045
40 19781610414
41 27240188169
42 30742119459

List of values

[1, 2, 4, 5, 6, 10, 12, 53, 226, 361, 400, 620, 935, 1037, 3832, 3960, 4956, 7222, 12183, 13615, 24437, 80849, 450827, 680044, 7388490, 23503578, 27723887, 52048944, 85860268, 126177976, 606788411, 613917734, 2693408896, 3856356590, 5167833600, 5810025660, 9197308014, 10805855623, 19751202045, 19781610414, 27240188169, 30742119459]

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

Content is available under The OEIS End-User License Agreement.