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.

A324762 Number of maximal subsets of {2...n} containing no element whose prime indices all belong to the subset.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 2
6 2
7 4
8 4
9 6
10 6
11 8
12 8
13 16
14 16
15 16
16 16
17 16
18 16
19 32
20 32
21 40
22 40
23 52
24 52
25 64
26 64
27 72
28 72
29 144
30 144
31 176
32 176
33 200
34 200
35 232
36 232
37 464
38 464
39 464
40 464
41 536
42 536
43 1072
44 1072
45 1072
46 1072
47 2144
48 2144
49 2400
50 2400
51 2400
52 2400
53 4800
54 4800
55 4800
56 4800
57 4800

List of values

[1, 1, 2, 2, 2, 2, 4, 4, 6, 6, 8, 8, 16, 16, 16, 16, 16, 16, 32, 32, 40, 40, 52, 52, 64, 64, 72, 72, 144, 144, 176, 176, 200, 200, 232, 232, 464, 464, 464, 464, 536, 536, 1072, 1072, 1072, 1072, 2144, 2144, 2400, 2400, 2400, 2400, 4800, 4800, 4800, 4800, 4800]