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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.

A364797 Prime powers that are equal to the sum of the first k prime powers (not including 1) for some k.

Table of values

n a(n)
1 2
2 5
3 9
4 29
5 49
6 137
7 281
8 359
9 449
10 1579
11 2029
12 2281
13 2677
14 5519
15 12527
16 13229
17 15451
18 17047
19 22409
20 24389
21 25931
22 29191
23 32687
24 42937
25 45757
26 53239
27 56443
28 59743
29 70201
30 81677
31 90863
32 95087
33 101627
34 113111
35 169343
36 200407
37 206911
38 256049
39 302977
40 330133
41 338707
42 356263

List of values

[2, 5, 9, 29, 49, 137, 281, 359, 449, 1579, 2029, 2281, 2677, 5519, 12527, 13229, 15451, 17047, 22409, 24389, 25931, 29191, 32687, 42937, 45757, 53239, 56443, 59743, 70201, 81677, 90863, 95087, 101627, 113111, 169343, 200407, 206911, 256049, 302977, 330133, 338707, 356263]

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

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