cp's OEIS Frontend

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.

A325106 Number of divisible binary-containment pairs of positive integers up to n.

Table of values

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

List of values

[0, 0, 0, 1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 10, 13, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 26, 27, 28, 31, 32, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51, 52, 53, 56, 57, 58, 61, 63, 64, 65, 66, 67, 70, 71, 72, 77, 77, 78, 79, 80, 81]

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

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