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.

A085347 Least number x so that number of primes not exceeding sigma(x) equals n.

Table of values

n a(n)
1 0
2 2
3 5
4 4
5 6
6 8
7 10
8 19
9 12
10 29
11 16
12 18
13 20
14 43
15 33
16 28
17 24
18 32
19 67
20 30
21 45
22 57
23 44
24 36
25 52
26 101
27 63
28 85
29 91
30 48
31 64
32 86
33 137
34 66
35 149
36 99
37 106
38 163
39 60
40 129
41 88
42 80
43 105
44 72
45 197
46 104
47 100
48 84
49 147
50 229
51 90
52 114
53 112
54 96
55 171
56 148
57 136
58 201
59 108
60 281
61 138
62 152
63 172

List of values

[0, 2, 5, 4, 6, 8, 10, 19, 12, 29, 16, 18, 20, 43, 33, 28, 24, 32, 67, 30, 45, 57, 44, 36, 52, 101, 63, 85, 91, 48, 64, 86, 137, 66, 149, 99, 106, 163, 60, 129, 88, 80, 105, 72, 197, 104, 100, 84, 147, 229, 90, 114, 112, 96, 171, 148, 136, 201, 108, 281, 138, 152, 172]