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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.

A319187 Number of pairwise coprime subsets of {1,...,n} of maximum cardinality (A036234).

Table of values

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

List of values

[1, 1, 1, 2, 2, 2, 2, 3, 6, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 8, 8, 8, 8, 8, 16, 16, 24, 24, 24, 24, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 72, 72, 72, 72, 72, 72, 72, 72]

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

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