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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.

A330217 BII-numbers of achiral set-systems.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 7
7 8
8 9
9 10
10 11
11 16
12 25
13 32
14 42
15 52
16 63
17 64
18 75
19 116
20 127
21 128
22 129
23 130
24 131
25 136
26 137
27 138
28 139
29 256
30 385
31 512
32 642
33 772
34 903
35 1024
36 1155
37 1796
38 1927
39 2048
40 2184
41 2320
42 2457
43 2592
44 2730
45 2868
46 3007
47 4096
48 4233
49 6416
50 6553
51 8192
52 8330

List of values

[0, 1, 2, 3, 4, 7, 8, 9, 10, 11, 16, 25, 32, 42, 52, 63, 64, 75, 116, 127, 128, 129, 130, 131, 136, 137, 138, 139, 256, 385, 512, 642, 772, 903, 1024, 1155, 1796, 1927, 2048, 2184, 2320, 2457, 2592, 2730, 2868, 3007, 4096, 4233, 6416, 6553, 8192, 8330]