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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.

A330195 BII-number of the BII-normalization of the set-system with BII-number n.

Table of values

n a(n)
0 0
1 1
2 1
3 3
4 4
5 5
6 5
7 7
8 1
9 3
10 3
11 11
12 12
13 13
14 13
15 15
16 4
17 5
18 12
19 13
20 20
21 21
22 22
23 23
24 5
25 7
26 13
27 15
28 22
29 23
30 30
31 31
32 4
33 12
34 5
35 13
36 20
37 22
38 21
39 23
40 5
41 13
42 7
43 15
44 22
45 30
46 23
47 31
48 20
49 22
50 22
51 30
52 52
53 53
54 53
55 55
56 21
57 23
58 23
59 31
60 53
61 55
62 55
63 63
64 64
65 65
66 65
67 67
68 68
69 69

List of values

[0, 1, 1, 3, 4, 5, 5, 7, 1, 3, 3, 11, 12, 13, 13, 15, 4, 5, 12, 13, 20, 21, 22, 23, 5, 7, 13, 15, 22, 23, 30, 31, 4, 12, 5, 13, 20, 22, 21, 23, 5, 13, 7, 15, 22, 30, 23, 31, 20, 22, 22, 30, 52, 53, 53, 55, 21, 23, 23, 31, 53, 55, 55, 63, 64, 65, 65, 67, 68, 69]

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

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