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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.

A330109 BII-numbers of BII-normalized set-systems.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 5
6 7
7 11
8 12
9 13
10 15
11 20
12 21
13 22
14 23
15 30
16 31
17 52
18 53
19 55
20 63
21 64
22 65
23 67
24 68
25 69
26 71
27 75
28 76
29 77
30 79
31 84
32 85
33 86
34 87
35 94
36 95
37 116
38 117
39 119
40 127
41 139
42 140
43 141
44 143
45 148
46 149
47 150
48 151
49 158
50 159
51 180
52 181
53 183
54 191
55 192
56 193
57 195
58 196
59 197
60 199
61 203

List of values

[0, 1, 3, 4, 5, 7, 11, 12, 13, 15, 20, 21, 22, 23, 30, 31, 52, 53, 55, 63, 64, 65, 67, 68, 69, 71, 75, 76, 77, 79, 84, 85, 86, 87, 94, 95, 116, 117, 119, 127, 139, 140, 141, 143, 148, 149, 150, 151, 158, 159, 180, 181, 183, 191, 192, 193, 195, 196, 197, 199, 203]