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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.

A327041 a(n) is the number whose binary indices are the union of the set-system with BII-number n.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 3
5 3
6 3
7 3
8 4
9 5
10 6
11 7
12 7
13 7
14 7
15 7
16 5
17 5
18 7
19 7
20 7
21 7
22 7
23 7
24 5
25 5
26 7
27 7
28 7
29 7
30 7
31 7
32 6
33 7
34 6
35 7
36 7
37 7
38 7
39 7
40 6
41 7
42 6
43 7
44 7
45 7
46 7
47 7
48 7
49 7
50 7
51 7
52 7
53 7
54 7
55 7
56 7
57 7
58 7
59 7
60 7
61 7
62 7
63 7
64 7
65 7
66 7
67 7
68 7
69 7
70 7
71 7
72 7
73 7
74 7
75 7
76 7
77 7
78 7
79 7
80 7
81 7
82 7
83 7
84 7
85 7
86 7

List of values

[0, 1, 2, 3, 3, 3, 3, 3, 4, 5, 6, 7, 7, 7, 7, 7, 5, 5, 7, 7, 7, 7, 7, 7, 5, 5, 7, 7, 7, 7, 7, 7, 6, 7, 6, 7, 7, 7, 7, 7, 6, 7, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]

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

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