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.

A309124 a(n) = n - 3 * floor(n/3) + 5 * floor(n/5) - 7 * floor(n/7) + ...

Table of values

n a(n)
1 1
2 2
3 0
4 1
5 7
6 5
7 -1
8 0
9 7
10 13
11 3
12 1
13 15
14 9
15 -3
16 -2
17 16
18 23
19 5
20 11
21 23
22 13
23 -9
24 -11
25 20
26 34
27 14
28 8
29 38
30 26
31 -4
32 -3
33 17
34 35
35 -1
36 6
37 44
38 26
39 -2
40 4
41 46
42 58
43 16
44 6
45 48
46 26
47 -20
48 -22
49 21
50 52
51 16
52 30
53 84
54 64
55 4
56 -2
57 34
58 64
59 6
60 -6
61 56
62 26
63 -16
64 -15
65 69
66 89
67 23
68 41
69 85
70 49
71 -21
72 -14
73 60
74 98
75 36

List of values

[1, 2, 0, 1, 7, 5, -1, 0, 7, 13, 3, 1, 15, 9, -3, -2, 16, 23, 5, 11, 23, 13, -9, -11, 20, 34, 14, 8, 38, 26, -4, -3, 17, 35, -1, 6, 44, 26, -2, 4, 46, 58, 16, 6, 48, 26, -20, -22, 21, 52, 16, 30, 84, 64, 4, -2, 34, 64, 6, -6, 56, 26, -16, -15, 69, 89, 23, 41, 85, 49, -21, -14, 60, 98, 36]