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.

A048466 Total number of primes in "generation" n.

Table of values

n a(n)
2 2
3 3
4 3
5 2
6 2
7 2
8 2
9 0
10 2
11 0
12 1
13 1
14 1
15 3
16 4
17 0
18 0
19 1
20 1
21 0
22 0
23 0
24 0
25 1
26 1
27 1
28 2
29 0
30 4
31 2
32 0
33 0
34 1
35 0
36 0
37 1
38 0
39 0
40 0
41 1
42 1
43 1
44 2
45 1
46 1
47 2
48 0
49 0
50 0
51 2
52 1
53 1
54 0
55 2
56 0
57 0
58 0
59 4
60 1
61 2
62 1
63 1
64 1
65 0
66 0
67 0
68 1
69 0
70 0
71 1
72 0
73 1
74 0
75 2
76 0
77 0
78 0
79 0
80 1
81 0
82 2
83 0
84 1
85 0
86 0
87 2
88 0

List of values

[2, 3, 3, 2, 2, 2, 2, 0, 2, 0, 1, 1, 1, 3, 4, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 2, 0, 4, 2, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 2, 0, 0, 0, 2, 1, 1, 0, 2, 0, 0, 0, 4, 1, 2, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 0, 1, 0, 2, 0, 1, 0, 0, 2, 0]