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.

A059851 a(n) = n - floor(n/2) + floor(n/3) - floor(n/4) + ... (this is a finite sum).

Table of values

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

List of values

[0, 1, 1, 3, 2, 4, 4, 6, 4, 7, 7, 9, 7, 9, 9, 13, 10, 12, 12, 14, 12, 16, 16, 18, 14, 17, 17, 21, 19, 21, 21, 23, 19, 23, 23, 27, 24, 26, 26, 30, 26, 28, 28, 30, 28, 34, 34, 36, 30, 33, 33, 37, 35, 37, 37, 41, 37, 41, 41, 43, 39, 41, 41, 47, 42, 46, 46, 48, 46, 50, 50, 52, 46, 48, 48]

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

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