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.

A378615 Number of non prime powers <= prime(n).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 3
6 4
7 6
8 7
9 10
10 13
11 14
12 18
13 21
14 22
15 25
16 29
17 34
18 35
19 39
20 42
21 43
22 48
23 50
24 55
25 62
26 65
27 66
28 69
29 70
30 73
31 84
32 86
33 91
34 92
35 101
36 102
37 107
38 112
39 115
40 119
41 124
42 125
43 134
44 135
45 138
46 139
47 150
48 161
49 164
50 165
51 168
52 173
53 174
54 182
55 186
56 191
57 196
58 197
59 202
60 205

List of values

[1, 1, 1, 2, 3, 4, 6, 7, 10, 13, 14, 18, 21, 22, 25, 29, 34, 35, 39, 42, 43, 48, 50, 55, 62, 65, 66, 69, 70, 73, 84, 86, 91, 92, 101, 102, 107, 112, 115, 119, 124, 125, 134, 135, 138, 139, 150, 161, 164, 165, 168, 173, 174, 182, 186, 191, 196, 197, 202, 205]