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.

A324743 Number of maximal subsets of {1...n} containing no prime indices of the elements.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 3
5 4
6 5
7 8
8 8
9 8
10 8
11 12
12 12
13 18
14 18
15 19
16 19
17 30
18 30
19 54
20 54
21 54
22 54
23 96
24 96
25 96
26 96
27 96
28 96
29 156
30 156
31 244
32 244
33 248
34 248
35 248
36 248
37 440
38 440
39 440
40 440
41 688
42 688
43 1120
44 1120
45 1120
46 1120
47 1864
48 1864
49 1864
50 1864
51 1864
52 1864
53 3664
54 3664
55 3664
56 3664
57 3664

List of values

[1, 1, 2, 2, 3, 4, 5, 8, 8, 8, 8, 12, 12, 18, 18, 19, 19, 30, 30, 54, 54, 54, 54, 96, 96, 96, 96, 96, 96, 156, 156, 244, 244, 248, 248, 248, 248, 440, 440, 440, 440, 688, 688, 1120, 1120, 1120, 1120, 1864, 1864, 1864, 1864, 1864, 1864, 3664, 3664, 3664, 3664, 3664]