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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.

A333536 Number of sqrt(n-1)-smooth numbers <= n.

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 3
6 3
7 3
8 4
9 4
10 7
11 7
12 8
13 8
14 8
15 8
16 9
17 9
18 10
19 10
20 10
21 10
22 10
23 10
24 11
25 11
26 16
27 17
28 17
29 17
30 18
31 18
32 19
33 19
34 19
35 19
36 20
37 20
38 20
39 20
40 21
41 21
42 21
43 21
44 21
45 22
46 22
47 22
48 23
49 23
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
73 38
74 38
75 39
76 39
77 39
78 39
79 39
80 40
81 41
82 41
83 41
84 42

List of values

[0, 1, 1, 1, 3, 3, 3, 4, 4, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 16, 17, 17, 17, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 21, 22, 22, 22, 23, 23, 31, 31, 31, 31, 32, 32, 33, 33, 33, 33, 34, 34, 34, 35, 36, 36, 36, 36, 36, 36, 37, 37, 38, 38, 38, 39, 39, 39, 39, 39, 40, 41, 41, 41, 42]

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

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