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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.

A330099 BII-numbers of brute-force normalized set-systems.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 5
6 7
7 11
8 15
9 19
10 20
11 21
12 23
13 31
14 33
15 37
16 51
17 52
18 53
19 55
20 63
21 64
22 65
23 67
24 68
25 69
26 71
27 75
28 79
29 83
30 84
31 85
32 87
33 95
34 97
35 101
36 115
37 116
38 117
39 119
40 127
41 139
42 143
43 159
44 191
45 203
46 207
47 223
48 255
49 267
50 271
51 275
52 276
53 277
54 279
55 287
56 307
57 308
58 309
59 311
60 319
61 331

List of values

[0, 1, 3, 4, 5, 7, 11, 15, 19, 20, 21, 23, 31, 33, 37, 51, 52, 53, 55, 63, 64, 65, 67, 68, 69, 71, 75, 79, 83, 84, 85, 87, 95, 97, 101, 115, 116, 117, 119, 127, 139, 143, 159, 191, 203, 207, 223, 255, 267, 271, 275, 276, 277, 279, 287, 307, 308, 309, 311, 319, 331]