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.

A346622 a(n) = card{ x <= n : x odd and omega(x) = 2 }.

Table of values

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

List of values

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 16]