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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.

A071604 a(n) is the number of 7-smooth numbers <= n.

Table of values

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

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 11, 12, 13, 14, 14, 15, 15, 16, 17, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 23, 24, 25, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 30, 31, 31, 31, 31, 32, 32, 33, 33, 33, 33, 34, 34, 34, 35, 36, 36, 36, 36, 36, 36, 37, 37, 38]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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