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.

A289438 The arithmetic function v_4(n,4).

Table of values

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

List of values

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