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.

A290978 The arithmetic function v_2(n,5).

Table of values

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

List of values

[0, 1, 1, 1, 2, 2, 2, 3, 2, 2, 4, 3, 4, 5, 4, 4, 6, 4, 5, 7, 4, 5, 8, 5, 6, 9, 8, 6, 10, 6, 8, 11, 8, 10, 12, 8, 8, 13, 10, 8, 14, 9, 11, 15, 10, 10, 16, 14, 10, 17, 13, 11, 18, 11, 16, 19, 12, 12, 20, 12, 12, 21, 16, 15, 22, 14, 17, 23, 20]