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.

A326077 Number of maximal primitive subsets of {1..n}.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 3
5 3
6 4
7 4
8 6
9 7
10 11
11 11
12 13
13 13
14 23
15 24
16 36
17 36
18 48
19 48
20 64
21 66
22 126
23 126
24 150
25 151
26 295
27 363
28 507
29 507
30 595
31 595
32 895
33 903
34 1787
35 1788
36 2076
37 2076
38 4132
39 4148
40 5396
41 5396
42 6644
43 6644
44 9740
45 11172
46 22300
47 22300
48 26140
49 26141
50 40733
51 40773
52 60333
53 60333
54 80781
55 80783

List of values

[1, 1, 2, 2, 3, 3, 4, 4, 6, 7, 11, 11, 13, 13, 23, 24, 36, 36, 48, 48, 64, 66, 126, 126, 150, 151, 295, 363, 507, 507, 595, 595, 895, 903, 1787, 1788, 2076, 2076, 4132, 4148, 5396, 5396, 6644, 6644, 9740, 11172, 22300, 22300, 26140, 26141, 40733, 40773, 60333, 60333, 80781, 80783]