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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.

A091372 Number of numbers <= n having more prime factors than the value of their smallest prime factor.

Table of values

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

List of values

[0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 24, 24, 25, 25, 26, 26, 27]

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