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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.

A326783 BII-numbers of uniform set-systems.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 8
7 9
8 10
9 11
10 16
11 20
12 32
13 36
14 48
15 52
16 64
17 128
18 129
19 130
20 131
21 136
22 137
23 138
24 139
25 256
26 260
27 272
28 276
29 288
30 292
31 304
32 308
33 512
34 516
35 528
36 532
37 544
38 548
39 560
40 564
41 768
42 772
43 784
44 788
45 800
46 804
47 816
48 820
49 1024
50 1088
51 2048
52 2052
53 2064
54 2068
55 2080

List of values

[0, 1, 2, 3, 4, 8, 9, 10, 11, 16, 20, 32, 36, 48, 52, 64, 128, 129, 130, 131, 136, 137, 138, 139, 256, 260, 272, 276, 288, 292, 304, 308, 512, 516, 528, 532, 544, 548, 560, 564, 768, 772, 784, 788, 800, 804, 816, 820, 1024, 1088, 2048, 2052, 2064, 2068, 2080]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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