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.

A364796 Numbers k such that the sum of the first k prime powers (not including 1) is a prime power.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 8
6 13
7 18
8 20
9 22
10 37
11 41
12 43
13 46
14 62
15 87
16 89
17 95
18 99
19 111
20 115
21 118
22 124
23 130
24 146
25 150
26 160
27 164
28 168
29 180
30 192
31 201
32 205
33 211
34 221
35 263
36 283
37 287
38 315
39 339
40 352
41 356
42 364
43 396
44 398
45 408
46 418
47 434
48 442
49 450
50 476
51 508
52 512
53 526
54 534
55 536
56 548
57 556
58 582

List of values

[1, 2, 3, 6, 8, 13, 18, 20, 22, 37, 41, 43, 46, 62, 87, 89, 95, 99, 111, 115, 118, 124, 130, 146, 150, 160, 164, 168, 180, 192, 201, 205, 211, 221, 263, 283, 287, 315, 339, 352, 356, 364, 396, 398, 408, 418, 434, 442, 450, 476, 508, 512, 526, 534, 536, 548, 556, 582]

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

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